ci: add JDK 11 workflow with cache

Co-Authored-By: Joao Esteves <joao.esteves@cognition.ai>

Author: devin-ai-integration[bot]

.github/workflows/java11-build.yml

@@ -0,0 +1,17 @@
+name: Java 11 Build
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup JDK 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '11'
+          cache: maven
+      - name: Build with Maven
+        run: mvn -B -e clean verify
+      - name: Run Tests
+        run: mvn -B test