Auto-update ms.date in docs-mslearn on PR changes

[Michael Flanakin (flanakin)]

🛠️ Description

Add a GitHub Action workflow that automatically updates the ms.date field in docs-mslearn markdown files when they are modified in a pull request. This ensures documentation dates stay current without manual intervention.

Changes include:

• GitHub Action (.github/workflows/update-mslearn-dates.yml): Triggers on PRs that modify docs-mslearn/**/*.md files, updates the ms.date frontmatter to the current date, and commits the change back to the PR branch
• Unit test (Action.UpdateMsLearnDates.Tests.ps1): Validates the GitHub Action workflow structure, triggers, permissions, and security considerations
• Lint test (MsLearnDocs.Tests.ps1): Validates all docs-mslearn files have proper ms.date frontmatter in MM/DD/YYYY format
• Test runner update: Added -Actions parameter to Test-PowerShell.ps1 for running GitHub Action tests (pattern: Action.*.Tests.ps1)

📋 Checklist

🔬 How did you test this change?

• 🤏 Lint tests
• 🤞 PS -WhatIf / az validate
• 👍 Manually deployed + verified
• 💪 Unit tests
• 🙌 Integration tests

🙋‍♀️ Do any of the following that apply?

• 🚨 This is a breaking change.
• 🤏 The change is less than 20 lines of code.

📑 Did you update docs/changelog.md?

• ✅ Updated changelog (required for dev PRs)
• ➡️ Will add log in a future PR (feature branch PRs only)
• ❎ Log not needed (small/internal change)

📖 Did you update documentation?

• ✅ Public docs in docs (required for dev)
• ✅ Public docs in docs-mslearn (required for dev)
• ✅ Internal dev docs in docs-wiki (required for dev)
• ✅ Internal dev docs in src (required for dev)
• ➡️ Will add docs in a future PR (feature branch PRs only)
• ❎ Docs not needed (small/internal change)

[Copilot]

Pull request overview

This PR introduces automation to keep Microsoft Learn documentation dates current by automatically updating the ms.date field in docs-mslearn markdown files when they are modified in a pull request. This reduces manual maintenance burden and ensures documentation metadata stays accurate.

Changes:

• Adds a GitHub Action workflow that triggers on docs-mslearn markdown file changes, updates ms.date to the current date, and commits the change back to the PR branch
• Implements comprehensive unit tests for the GitHub Action workflow structure and security
• Adds lint tests to validate ms.date format compliance across all docs-mslearn files
• Extends the test runner to support GitHub Action tests with a new -Actions parameter

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
.github/workflows/update-mslearn-dates.yml	New workflow that auto-updates ms.date fields in changed docs-mslearn markdown files
src/powershell/Tests/Unit/Action.UpdateMsLearnDates.Tests.ps1	Unit tests validating workflow structure, triggers, permissions, and security
src/powershell/Tests/Lint/MsLearnDocs.Tests.ps1	Lint tests ensuring ms.date format compliance (MM/DD/YYYY) across all docs-mslearn files
src/scripts/Test-PowerShell.ps1	Added -Actions parameter to run GitHub Action tests (Action.*.Tests.ps1 pattern)

[Michael Flanakin (flanakin)]

🤖 [AI][Claude] PR Update Summary

Addressed: 2 thread(s)

• ✅ Implemented: 1
• 🤔 Needs discussion: 1
• ❓ Questions: 0

Changes: Updated git add command in workflow to use -u flag for safer file staging. Pushed back on changelog requirement since this is an internal CI/CD change.