Refine error message for 'github_workflow' table during file parsing. Closes #436

[ParthaI]

Example query results

Results

> select name, path, workflow_file_content, workflow_file_content_json, pipeline from github_workflow where repository_full_name = 'turbot/steampipe-plugin-aws'
+---------------------------------------+---------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------+------------------------------------------------->
| name                                  | path                                        | workflow_file_content                                                                                                              | workflow_file_content_json                      >
+---------------------------------------+---------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------+------------------------------------------------->
| Stale Issues and PRs                  | .github/workflows/stale.yml                 | name: Stale Issues and PRs                                                                                                         | {"jobs":{"stale_workflow":{"uses":"turbot/steamp>
|                                       |                                             | on:                                                                                                                                |                                                 >
|                                       |                                             |   schedule:                                                                                                                        |                                                 >
|                                       |                                             |     - cron: "30 23 * * *"                                                                                                          |                                                 >
|                                       |                                             |   workflow_dispatch:                                                                                                               |                                                 >
|                                       |                                             |     inputs:                                                                                                                        |                                                 >
|                                       |                                             |       dryRun:                                                                                                                      |                                                 >
|                                       |                                             |         description: Set to true for a dry run                                                                                     |                                                 >
|                                       |                                             |         required: false                                                                                                            |                                                 >
|                                       |                                             |         default: "false"                                                                                                           |                                                 >
|                                       |                                             |         type: string                                                                                                               |                                                 >
|                                       |                                             |                                                                                                                                    |                                                 >
|                                       |                                             | jobs:                                                                                                                              |                                                 >
|                                       |                                             |   stale_workflow:                                                                                                                  |                                                 >
|                                       |                                             |     uses: turbot/steampipe-workflows/.github/workflows/stale.yml@main                                                              |                                                 >
|                                       |                                             |     with:                                                                                                                          |                                                 >
|                                       |                                             |       dryRun: ${{ github.event.inputs.dryRun }}                                                                                    |                                                 >
|                                       |                                             |                                                                                                                                    |                                                 >
| CodeQL                                | dynamic/github-code-scanning/codeql         | <null>                                                                                                                             | <null>                                          >
| Build and Deploy OCI Image            | .github/workflows/registry-publish.yml      | name: Build and Deploy OCI Image                                                                                                   | {"env":{"CONFIG_SCHEMA_VERSION":"2020-11-18","OR>
|                                       |                                             |                                                                                                                                    | nvalid version: $VERSION\"\n  exit 1\nfi"},{"nam>
|                                       |                                             | on:                                                                                                                                | pipe-plugin-${{ env.PLUGIN_NAME }}_linux_arm64.g>
|                                       |                                             |   push:                                                                                                                            | TRY_SA_KEY }}"}},{"run":"gcloud config list"},{">
|                                       |                                             |     tags:                                                                                                                          | o \"VERSION=${GITHUB_REF#refs/*/}\" \u003e\u003e>

Improved the error message: 

> select name, path, workflow_file_content, workflow_file_content_json from github_workflow where repository_full_name = 'pro-cloud-49/test37'

Error: github: failed to populate column 'pipeline': failed to parse the workflow file 'https://github.com/pro-cloud-49/test37/blob/main/.github/workflows/test.yaml' (SQLSTATE HV000)

+------+------+-----------------------+----------------------------+
| name | path | workflow_file_content | workflow_file_content_json |
+------+------+-----------------------+----------------------------+
+------+------+-----------------------+----------------------------+

[misraved]

@ParthaI could we also include the original error object along with the refined error message?

[ParthaI]

@misraved, I have pushed a change by including the original error object along with the refined error message. Thanks!