fix: Updates to GH workflows to use PAT_TOKEN

.github/workflows/auto-release.yml

@@ -444,11 +444,11 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
-      pull-requests: write
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
         with:
+          token: ${{ secrets.PAT_TOKEN }}
           ref: ${{ github.ref_name }}
           fetch-depth: 0
 
@@ -464,39 +464,19 @@ jobs:
 
           echo "✅ Updated version to $VERSION"
 
-      - name: Create Pull Request for version update
-        uses: peter-evans/create-pull-request@v5
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          commit-message: "chore: bump version to ${{ needs.determine-release.outputs.new_version }}"
-          branch: "release/version-${{ needs.determine-release.outputs.new_version }}"
-          delete-branch: true
-          base: master
-          title: "chore: bump version to ${{ needs.determine-release.outputs.new_version }}"
-          body: |
-            🤖 **Automated version bump**
-
-            This PR updates the version to `${{ needs.determine-release.outputs.new_version }}` following the release.
-
-            ## Changes
-            - Updated `build.zig.zon` version
-            - Updated `VERSION` file
-
-            ## Release
-            - Release: [${{ needs.determine-release.outputs.new_version }}](https://github.com/${{ github.repository }}/releases/tag/${{ needs.determine-release.outputs.new_version }})
-
-            ## Instructions
-            This PR was automatically created and can be merged to sync version files.
-
-            To enable auto-merge for future version PRs:
-            1. Go to Settings → General → Pull Requests
-            2. Enable "Allow auto-merge"
-
-            ---
-
-            _This PR can be safely merged or closed if you prefer manual version management._
-          labels: |
-            automated
-            release
-            chore
-          assignees: ${{ github.actor }}
+      - name: Commit and push version update
+        run: |
+          NEW_VERSION="${{ needs.determine-release.outputs.new_version }}"
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git add build.zig.zon VERSION
+
+          if git diff --staged --quiet; then
+            echo "ℹ️  No changes to commit"
+          else
+            git commit -m "chore: bump version to $NEW_VERSION [skip ci]"
+            git push origin HEAD:${{ github.ref_name }}
+            echo "✅ Pushed version update to ${{ github.ref_name }}"
+          fi