bugfixes to fix publishing to Pypi (#84)

Author: rjohn-v

.github/workflows/publish.yml

@@ -33,10 +33,10 @@ jobs:
         run: uv sync
 
       - name: Ruff lint
-        run: uv run ruff check .
+        run: uvx ruff check .
 
       - name: Ruff format check
-        run: uv run ruff format --check .
+        run: uvx ruff format --check .
 
       - name: Run tests (if present)
         run: |