Introduce a separate GHA workflow for Pull Request Validation to validate the correct commit hashes

.github/workflows/build-tag-publish.yml

@@ -4,8 +4,6 @@ on:
   push:
     branches:
       - main
-  pull_request:
-    types: [opened, synchronize, reopened]
 
 jobs:
   build-gradle-project:

.github/workflows/build-test-pr.yml

@@ -0,0 +1,51 @@
+name: Gradle Build and Test Pull Requests to OpenHouse
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches:
+      - main
+
+concurrency:
+  group: ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-gradle-project:
+    name: Build Latest commit
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout project sources using merge commit hash
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v1
+        with:
+          distribution: 'microsoft'
+          java-version: '17'
+
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v1
+
+      - name: Build with Gradle
+        run: ./gradlew clean build
+
+      - name: Start Docker Containers
+        run: docker compose -f infra/recipes/docker-compose/oh-only/docker-compose.yml up -d --build
+
+      - name: Wait for Docker Containers to start
+        run: sleep 30
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: pip install -r scripts/python/requirements.txt
+
+      - name: Run Integration Tests
+        run: python scripts/python/integration_test.py ./tables-test-fixtures/tables-test-fixtures-iceberg-1.2/src/main/resources/dummy.token
+
+      - name: Stop Docker Containers
+        run: docker compose -f infra/recipes/docker-compose/oh-only/docker-compose.yml down