Skip integration tests in CI (no Docker daemon available)

Testcontainers requires a Docker daemon which isn't available inside
the Maven CI container. Use -DskipITs to skip failsafe integration
tests while still running surefire unit tests.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -45,7 +45,7 @@ jobs:
           restore-keys: ${{ runner.os }}-maven-
 
       - name: Build and Test
-        run: mvn clean verify --batch-mode
+        run: mvn clean verify -DskipITs --batch-mode
 
   docker:
     needs: build