Auto merge on auto update.

.github/workflows/go-autoupdate.yaml

@@ -13,6 +13,10 @@ on:
         required: false
         type: string
         default: "release.yml"
+    secrets:
+      pat-token:
+        description: "Personal Access Token for creating PRs with verified commits"
+        required: true
 
 jobs:
   autoupdate:
@@ -39,21 +43,33 @@ jobs:
       - name: Run tests
         run: go test -race -cover ./...
 
-      - name: Commit changes
-        id: auto-commit
-        uses: stefanzweifel/git-auto-commit-action@v5
-        with:
-          commit_message: "Update go.mod and go.sum"
-          file_pattern: "go.mod go.sum"
+      - name: Check for changes
+        id: changes
+        run: |
+          if git diff --quiet go.mod go.sum; then
+            echo "changes_detected=false" >> $GITHUB_OUTPUT
+          else
+            echo "changes_detected=true" >> $GITHUB_OUTPUT
+          fi
 
-      - name: Trigger release workflow
-        if: steps.auto-commit.outputs.changes_detected == 'true'
-        uses: actions/github-script@v7
+      - name: Create Pull Request
+        id: create-pr
+        if: steps.changes.outputs.changes_detected == 'true'
+        uses: peter-evans/create-pull-request@v7
         with:
-          script: |
-            await github.rest.actions.createWorkflowDispatch({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              workflow_id: '${{ inputs.release-workflow }}',
-              ref: 'main'
-            })
+          token: ${{ secrets.pat-token }}
+          commit-message: "Update go.mod and go.sum"
+          title: "Update Go dependencies"
+          body: |
+            Automated dependency update.
+
+            - Updated `go.mod` and `go.sum` via `go get -u ./...`
+            - All tests passed
+          branch: auto-update-go-deps
+          delete-branch: true
+
+      - name: Merge PR
+        if: steps.create-pr.outputs.pull-request-number
+        run: gh pr merge --squash --delete-branch --admin "${{ steps.create-pr.outputs.pull-request-number }}"
+        env:
+          GH_TOKEN: ${{ secrets.pat-token }}