fix(pipeline): Add frontend back, add testcontainers back

.gitea/workflows/pipeline.yaml

@@ -144,6 +144,8 @@ jobs:
         run: ./gradlew test
         env:
           SPRING_PROFILES_ACTIVE: testcontainers
+          # Fixes Ryuk testcontainers error during test (https://github.com/testcontainers/testcontainers-java/issues/7036)
+          TESTCONTAINERS_HOST_OVERRIDE: host.docker.internal
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3