Add new tool to the list of CI checks

.github/workflows/quality.yml

@@ -103,6 +103,39 @@ jobs:
           path: |
             **/build/reports/**/*.*
 
+  compose:
+    name: Compose tests
+    runs-on: ubuntu-latest
+    # Allow all jobs on main and develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/main' && format('check-compose-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('check-compose-develop-{0}', github.sha) || format('check-compose-{0}', github.ref) }}
+      cancel-in-progress: true
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          # Ensure we are building the branch and not the branch after being merged on develop
+          # https://github.com/actions/checkout/issues/881
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.ref }}
+      - name: Add SSH private keys for submodule repositories
+        uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
+        if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == 'element-hq/element-x-android' }}
+        with:
+          ssh-private-key: ${{ secrets.ELEMENT_ENTERPRISE_DEPLOY_KEY }}
+      - name: Clone submodules
+        if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == 'element-hq/element-x-android' }}
+        run: git submodule update --init --recursive
+      - name: Use JDK 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin' # See 'Supported distributions' for available options
+          java-version: '21'
+      - name: Configure gradle
+        uses: gradle/actions/setup-gradle@v5
+        with:
+          cache-read-only: ${{ github.ref != 'refs/heads/develop' }}
+      - name: Run compose tests
+        run: ./tools/compose/check_stability.sh
+
   lint:
     name: Android lint check
     runs-on: ubuntu-latest