ci(github-actions): add actions to perform releases using maven-release-plugin

.github/workflows/validate-versions.yaml

@@ -0,0 +1,33 @@
+name: Validate release versions
+
+on:
+  pull_request:
+    paths:
+      - '.github/project.yaml'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the code
+        uses: https://github.com/actions/checkout@v4
+
+      - name: Retrieve project metadata
+        uses: https://github.com/radcortez/project-metadata-action@master
+        id: metadata
+        with:
+          metadata-file-path: '.github/project.yaml'
+          local-file: true
+
+      - name: Validate current version
+        if: contains(steps.metadata.outputs.current-version, 'SNAPSHOT')
+        run: |
+          echo '::error::Cannot release a SNAPSHOT version.'
+          exit 1
+
+      - name: Validate next version
+        if: contains(steps.metadata.outputs.next-version, 'SNAPSHOT') == false
+        run: |
+          echo '::error::Next development version should be a SNAPSHOT version.'
+          exit 1