Replace tibdex/github-app-token with actions/create-github-app-token

[Copilot]

This PR replaces the archived tibdex/github-app-token action with the actively maintained actions/create-github-app-token action across all GitHub workflows.

Changes Made

Updated three workflow files to use the new action:

• .github/workflows/addToProject.yml - Project automation workflow
• .github/workflows/labeler.yml - Issue and PR labeling workflow
• .github/workflows/updatecli.yml - Dependency update workflow

Migration Details

The migration follows the recommended pattern from the new action's documentation:

Before:

uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a
with:
  app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
  private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
  permissions: >-
    {
      "contents": "write",
      "pull_requests": "write"
    }

After:

uses: actions/create-github-app-token@v2
with:
  app-id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
  private-key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
  permission-contents: write
  permission-pull-requests: write

Key Changes

• Updated action reference from tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a to actions/create-github-app-token@v2
• Changed parameter names: app_id → app-id, private_key → private-key
• Converted JSON permissions format to individual permission-* parameters
• Maintained all existing functionality while ensuring future security updates

All workflows continue to function identically while now using the officially supported action.

Fixes #4791.

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[trentm]

Oh, still in "Draft".

[fr4nc1sc0-r4m0n]

LGTM