add a test for the validate plugin version

.github/workflows/test-validate-plugin-version.yml

@@ -0,0 +1,18 @@
+name: Validate Plugin Version Test
+on: [pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with: 
+          fetch-depth: 0
+      - name: List all branches
+        run: git branch -a
+      - name: Validate Plugin Version
+        uses: jazzsequence/action-validate-plugin-version@v1
+        with:
+          filenames: 'readme.txt,README.MD'
+          branch: 'release'
+          dry-run: true
+