Set outdir in CI

Author: grst

.github/workflows/make-tutorials-json.yml

@@ -31,7 +31,7 @@ jobs:
           cache-dependency-glob: pyproject.toml
       - name: Execute validation script and create output directory
         run: |
-          uvx hatch run registry:validate
+          uvx hatch run registry:validate --outdir build
 
       - name: Upload GitHub Pages artifact
         uses: actions/upload-pages-artifact@v3