fix: address PR review feedback

- Pin UV_PYTHON per matrix entry so uv uses the correct interpreter
- Add always() to pypi-publish so force_publish works when
  release-please is skipped

Author: deanq

.github/workflows/ci.yml

@@ -46,6 +46,8 @@ jobs:
 
       - name: Run tests
         run: make test
+        env:
+          UV_PYTHON: ${{ matrix.python-version }}
 
   e2e:
     if: github.event_name != 'schedule' && github.repository == 'runpod/runpod-python'