Python: add better test coverage to individual tests, and all-tests task, gh … (#400)

* add better test coverage to individual tests, and all-tests task, gh action to surface

* remove cache location

* test version-file

* updated uv setup for consistency

* mypy fix

* update naming

* temporarily removed mypy from workflow

.github/workflows/python-tests.yml

@@ -8,7 +8,6 @@ on:
 env:
   # Configure a constant location for the uv cache
   UV_CACHE_DIR: /tmp/.uv-cache
-  UV_SEMVER: "0.8.x"
 
 jobs:
   python-tests:
@@ -31,7 +30,7 @@ jobs:
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
-          version: ${{ env.UV_SEMVER }}
+          version-file: "python/pyproject.toml"
           enable-cache: true
           cache-suffix: ${{ runner.os }}-${{ matrix.python-version }}
           cache-dependency-glob: "**/uv.lock"