Added the run_started_at field to the workflow-run results

[mridang]

Example query results

Results

SELECT id
     , created_at
     , updated_at
  FROM github_actions_repository_workflow_run
 WHERE repository_full_name = 'stackla/stackla-node-short-url'
   AND event = 'workflow_dispatch'
   AND status = 'completed'
   AND conclusion = 'success'

Add example SQL query results here (please include the input queries as well)

[madhushreeray30]

Hey @mridang thanks for the table update 👍 could you please attach an example query (in the PR description) along with the result that would include the response from the newly added column to the table (removing any sensitive information), thanks!!