feat(release): add dry run mode to weekly release workflow

- Add optional dry_run parameter for manual workflow triggers
- Skip PyPI publishing, GitHub releases, and git pushes in dry run mode
- Include comprehensive dry run summary for testing
- Allows safe testing of release pipeline without actual publishing
- Maintains automatic Friday releases while enabling safe validation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: sidmohan0

.github/workflows/weekly-release.yml

@@ -15,6 +15,11 @@ on:
           - patch
           - minor
           - major
+      dry_run:
+        description: "Dry run (test without publishing)"
+        required: false
+        default: false
+        type: boolean
 
 jobs:
   release:
@@ -84,12 +89,14 @@ jobs:
           echo "✅ Wheel size OK: ${WHEEL_SIZE}MB"
 
       - name: Publish to PyPI
+        if: ${{ !inputs.dry_run }}
         env:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
         run: twine upload dist/*
 
       - name: Create GitHub Release
+        if: ${{ !inputs.dry_run }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
@@ -99,14 +106,28 @@ jobs:
             dist/*
 
       - name: Push changes
+        if: ${{ !inputs.dry_run }}
         run: |
           git push origin dev --tags
 
       - name: Notify Discord
-        if: env.DISCORD_WEBHOOK
+        if: ${{ !inputs.dry_run && env.DISCORD_WEBHOOK }}
         env:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
         run: |
           curl -X POST "$DISCORD_WEBHOOK" \
             -H "Content-Type: application/json" \
             -d "{\"content\": \"🚀 DataFog v${{ env.NEW_VERSION }} is live! Install with: \`pip install datafog==${{ env.NEW_VERSION }}\`\"}"
+
+      - name: Dry Run Summary
+        if: ${{ inputs.dry_run }}
+        run: |
+          echo "🧪 DRY RUN COMPLETED"
+          echo "✅ Tests passed"
+          echo "✅ Changelog generated"
+          echo "✅ Version would be bumped to: ${{ env.NEW_VERSION }}"
+          echo "✅ Wheel built and validated"
+          echo "❌ Skipped: PyPI publishing"
+          echo "❌ Skipped: GitHub release creation"
+          echo "❌ Skipped: Git tag pushing"
+          echo "❌ Skipped: Discord notification"