Update version bumper (#115)

* use gh cli

* test

* revert test

Author: RoryQ

.github/workflows/check-emulator-version.yaml

@@ -1,4 +1,4 @@
-name: Check Emulator Version
+name: Bump Emulator Version
 
 on:
   schedule:
@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  check-emulator-version:
+  bump-emulator-version:
     name: Check for new emulator version
     runs-on: ubuntu-latest
     permissions:
@@ -17,6 +17,8 @@ jobs:
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4
+        with:
+          ref: master
 
       - name: Get current version and check for newer versions
         id: version-check
@@ -171,14 +173,30 @@ jobs:
 
       - name: Create Pull Request
         if: steps.process-versions.outputs.updated == 'true'
-        uses: peter-evans/create-pull-request@v6
-        with:
-          commit-message: "chore: update emulator version to ${{ steps.process-versions.outputs.updated_version }}"
-          title: "chore: update emulator version to ${{ steps.process-versions.outputs.updated_version }}"
-          body: |
-            This PR updates the Cloud Spanner emulator version from ${{ steps.version-check.outputs.current_version }} to ${{ steps.process-versions.outputs.updated_version }}.
-
-            This PR was automatically generated by the check-emulator-version workflow.
-          branch: update-emulator-version
-          base: master
-          delete-branch: true
+        env:
+          GH_TOKEN: ${{ secrets.CREATE_PR_PAT }}
+          CURRENT_VERSION: ${{ steps.version-check.outputs.current_version }}
+          UPDATED_VERSION: ${{ steps.process-versions.outputs.updated_version }}
+        run: |
+          # Create and checkout a new branch
+          git branch -d bump-base-version &>/dev/null || true  
+          git checkout -b bump-base-version
+
+          # Commit the changes
+          git config --global user.name "GitHub Actions"
+          git config --global user.email "actions@github.com"
+          git commit -am "chore: update emulator version to $UPDATED_VERSION"
+
+          # Push the branch (force push to handle case where branch exists remotely)
+          git push -f -u origin bump-base-version
+
+          # Create the PR
+          gh pr create \
+            --title "chore: update emulator version to $UPDATED_VERSION" \
+            --body "This PR updates the Cloud Spanner emulator version from $CURRENT_VERSION to $UPDATED_VERSION.
+            Original Release Notes: https://github.com/GoogleCloudPlatform/cloud-spanner-emulator/releases/tag/v$UPDATED_VERSION
+
+            This PR was automatically generated by the check-emulator-version workflow." \
+            --base master
+          
+