Use git-auto-commit-action for signed commits

Author: coreyleavitt

.github/workflows/release.yaml

@@ -26,16 +26,16 @@ jobs:
         run: uv python install 3.11
 
       - name: Bump version
-        run: uv version --bump ${{ inputs.bump }}
+        id: bump
+        run: |
+          uv version --bump ${{ inputs.bump }}
+          echo "version=$(uv version --short)" >> $GITHUB_OUTPUT
 
       - name: Commit version bump
-        run: |
-          VERSION=$(uv version --short)
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add pyproject.toml
-          git commit -m "Bump version to $VERSION [skip ci]"
-          git push
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "Bump version to ${{ steps.bump.outputs.version }} [skip ci]"
+          file_pattern: pyproject.toml
 
       - name: Install dependencies
         run: |
@@ -51,7 +51,7 @@ jobs:
 
       - name: Create release
         run: |
-          VERSION=$(uv version --short)
+          VERSION="${{ steps.bump.outputs.version }}"
           if echo "$VERSION" | grep -qE '(a|b|rc)[0-9]+'; then
             gh release create "v$VERSION" dist/* --generate-notes --prerelease
           else