With upload and download artifacts - now with yaml syntax correct

.gitea/workflows/master.yml

@@ -21,7 +21,7 @@ jobs:
           pip install dist/lasp*.whl
           pytest
       - name: Upload artifact
-      - uses: actions/upload-artifact@master
+        uses: actions/upload-artifact@master
         with:
           name: Build files
           path: dist
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download artifacts
-    - uses: actions/download-artifact@master
+        uses: actions/download-artifact@master
         with:
           name: my-artifact
           path: dist