chore: convert reusable workflows to composite actions (#114)

BREAKING CHANGE: Converts updater and danger reusable workflows to composite actions for improved reliability and easier consumption.

  ## Key Changes

  **Architecture:**
  - Move `.github/workflows/updater.yml` → `updater/action.yml`
  - Move `.github/workflows/danger.yml` → `danger/action.yml`
  - Bundle scripts locally instead of downloading at runtime
  - Include checkout step within actions for seamless user experience

  **API Changes:**
  - Convert `secrets.api-token` to `inputs.api-token`
  - Remove `_workflow_version` parameter (no longer needed)
  - Add proper input validation and error handling

  **Documentation:**
  - Split into dedicated README files with complete examples
  - Include required permissions in usage examples
  - Provide migration guide with before/after examples

  ## Migration Required

  ```yaml
  # Before (v2)
  jobs:
    update:
      uses: getsentry/github-workflows/.github/workflows/updater.yml@v2
      secrets:
        api-token: ${{ secrets.CI_DEPLOY_KEY }}

  # After (v3)
  jobs:
    update:
      runs-on: ubuntu-latest
      steps:
        - uses: getsentry/github-workflows/updater@v3
          with:
            api-token: ${{ secrets.CI_DEPLOY_KEY }}

  Resolves #113

  Co-authored-by: Claude noreply@anthropic.com

Author: vaind

.craft.yml

@@ -1,6 +1,6 @@
 minVersion: 0.23.1
 changelogPolicy: auto
-preReleaseCommand: pwsh scripts/update-version.ps1
+preReleaseCommand: pwsh -cwa ''
 artifactProvider:
   name: none
 targets:

.github/workflows/danger-workflow-tests.yml

@@ -5,14 +5,38 @@ on:
   pull_request:
     types: [opened, synchronize, reopened, edited, ready_for_review]
 
-jobs:
-  danger:
-    uses: ./.github/workflows/danger.yml
-    with:
-      _workflow_version: ${{ github.sha }}
+permissions:
+  contents: read
+  pull-requests: write
+  statuses: write
 
-  test-outputs:
+jobs:
+  # Test Danger action on pull requests - should analyze PR and report findings
+  pr-analysis:
     runs-on: ubuntu-latest
-    needs: danger
     steps:
-      - run: "[[ '${{ needs.danger.outputs.outcome }}' == 'success' ]]"
+      - uses: actions/checkout@v4
+
+      - name: Run danger action
+        id: danger
+        uses: ./danger
+
+      - name: Validate danger outputs
+        env:
+          DANGER_OUTCOME: ${{ steps.danger.outputs.outcome }}
+        run: |
+          echo "🔍 Validating Danger action outputs..."
+          echo "Danger Outcome: '$DANGER_OUTCOME'"
+
+          # Validate that Danger ran successfully
+          if [[ "$DANGER_OUTCOME" != "success" ]]; then
+            echo "❌ Expected Danger outcome 'success', got '$DANGER_OUTCOME'"
+            echo "This could indicate:"
+            echo "  - Danger found issues that caused it to fail"
+            echo "  - The action itself encountered an error"
+            echo "  - Docker container issues"
+            exit 1
+          fi
+
+          echo "✅ Danger PR analysis completed successfully!"
+          echo "ℹ️  Check the PR comments for any Danger findings"