ci: add error handling to CI steps for better debugging

.gitea/workflows/ci.yml

@@ -26,10 +26,16 @@ jobs:
         run: pytest tests/ -v --cov=depnav --cov-report=term-missing
 
       - name: Run linting
-        run: ruff check depnav/ tests/
+        run: |
+          set -e
+          ruff check depnav/ tests/
+          echo "Ruff linting completed successfully"
 
       - name: Run type checking
-        run: mypy depnav/src/
+        run: |
+          set -e
+          mypy depnav/src/
+          echo "Mypy completed successfully"
 
   build:
     needs: test