ci: introduce github action for building and running tests

Refs: XRDDEV-2628

.github/workflows/build.yml

@@ -0,0 +1,67 @@
+name: Build and test
+on:
+  # Capture this event so that gradle caches are updated when a PR is merged to develop
+  # More information on why: https://github.com/gradle/gradle-build-action#using-the-caches-read-only
+  push:
+#    branches:
+#      - develop
+    paths:
+      - 'src/**'
+      - '.github/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - 'src/**'
+      - '.github/**'
+permissions:
+  contents: write # Required for https://github.com/gradle/actions/tree/main/setup-gradle#github-dependency-graph-support
+  pull-requests: write # https://github.com/gradle/actions/tree/main/setup-gradle#adding-job-summary-as-a-pull-request-comment
+  actions: read # Required for https://github.com/dorny/test-reporter
+  checks: write # Required for https://github.com/dorny/test-reporter
+# Cancels previous workflow run on PR if a new one is started (does not affect push to develop).
+# This is because github.head_ref is empty on push events so defaults to the unique github.run_id.
+# More info: https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+jobs:
+  BuildAndPackageWithUnitTests:
+    name: Build, test and package code
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # SonarCloud: Shallow clones should be disabled for a better relevancy of analysis
+      - name: Set up JDK 11
+        uses: actions/setup-java@v4
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v4
+        with:
+          cache-read-only: ${{ github.ref != 'refs/heads/develop' }}
+          gradle-home-cache-cleanup: true
+          dependency-graph: generate-and-submit
+          add-job-summary-as-pr-comment: always
+      - name: Build and test source
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        working-directory: ./src
+        run: ./gradlew build
+      - name: Test report
+        uses: dorny/test-reporter@v1
+        if: success() || failure()
+        with:
+          name: Unit and integration tests
+          path: src/**/build/test-results/**/TEST-*.xml
+          reporter: java-junit
+          list-suites: 'failed'
+          list-tests: 'failed'