Github Actions Migration - move verify-ci workflows to GHA (#16777)

* add verify-ci workflow

* adding comment and changing to on pull request.

* changing to pull_requests

* changing to pull_request

.github/workflows/verify-ci.yml

@@ -0,0 +1,17 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+# verify-ci is a no-op workflow that must run on every PR. It is used in a
+# branch protection rule to detect when CI workflows are not running.
+name: verify-ci
+
+permissions:
+  contents: read
+
+on: [pull_request]
+
+jobs:
+  noop:
+    runs-on: ubuntu-latest
+    steps:
+    - run: echo "ok"