[workflows] Fix syntax errors in generate-keys and generate-pricing-list workflows

[Copilot]

Notes for Reviewers

Fixes broken workflows from https://github.com/layer5io/docs/actions/runs/20203689310

Description

Two scheduled workflows had syntax errors preventing execution:

Issues Fixed

.github/workflows/generate-keys.yml:

• Malformed conditional: if: directive incorrectly nested under run: with orphaned echo command
• Extraneous text appended to commit_author field

.github/workflows/generate-pricing-list.yml:

• Same malformed conditional as above
• Invalid action version: actions/checkout@v6 (doesn't exist)
• Same extraneous text issue

Changes

Before:

- name: Set spreadsheet_uri as environment variable
  run: echo "spreadsheet_uri=https://..." >> $GITHUB_ENV
  if: inputs.spreadsheet_uri != ''
    echo "spreadsheet_uri=${{ inputs.spreadsheet_uri }}" >> $GITHUB_ENV

After:

- name: Set spreadsheet_uri as environment variable
  run: |
    if [ -n "${{ inputs.spreadsheet_uri }}" ]; then
      echo "spreadsheet_uri=${{ inputs.spreadsheet_uri }}" >> $GITHUB_ENV
    else
      echo "spreadsheet_uri=https://..." >> $GITHUB_ENV
    fi

Also: quoted $spreadsheet_uri in curl commands and corrected checkout action to @v4.

Signed commits

• Yes, I signed my commits.

Original prompt

Fix this broken workflow - https://github.com/layer5io/docs/actions/runs/20203689310

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