Add support for auto-merge (#2336)

* Add support for auto-merge

* Fix bad request-converter version

* Switch back to pull_request

pull_request_target is the wrong trigger for this action

.github/workflows/auto-merge.yml

@@ -0,0 +1,17 @@
+name: Automerge
+
+on:
+  pull_request_review:
+    types:
+      - submitted
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: reitermarkus/automerge@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          merge-method: squash
+          do-not-merge-labels: never-merge
+          pull-request-author-associations: OWNER

.github/workflows/nodejs.yml

@@ -2,7 +2,7 @@
 name: Node CI
 
 on:
-  pull_request_target: {}
+  pull_request: {}
 
 jobs:
   paths-filter: