Fix CI: re-push simplified CI workflow with proper YAML

.gitea/workflows/ci.yml

@@ -17,8 +17,7 @@ jobs:
           python-version: '3.11'
 
       - name: Install dependencies
-        run: |
-          pip install -e ".[dev]"
+        run: pip install -e ".[dev]"
 
       - name: Run tests
         run: pytest tests/ -v
@@ -64,4 +63,4 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: dist
-          path: dist/
+          path: dist/