Use shared workflow for Galaxy import test

.github/workflows/import-galaxy.yml

@@ -0,0 +1,20 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+name: import-galaxy
+'on':
+  # Run CI against all pushes (direct commits, also merged PRs) to main, and all Pull Requests
+  push:
+    branches:
+      - main
+      - stable-*
+  pull_request:
+
+jobs:
+  import-galaxy:
+    permissions:
+      contents: read
+    name: Test to import built collection artifact with Galaxy importer
+    uses: ansible-community/github-action-test-galaxy-import/.github/workflows/test-galaxy-import.yml@main