Add env cache

.github/workflows/python-build-and-test.yaml

@@ -9,6 +9,8 @@ name: python-build-and-test
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
+    env:
+      UV_CACHE_DIR: ${{ env.RUNNER_TEMP }}/setup-uv-cache
     strategy:
       fail-fast: false
       matrix:
@@ -23,6 +25,7 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: pyproject.toml
+          cache-local-path: ${{ env.UV_CACHE_DIR }}
           cache-suffix: tox
 
       - name: Setup Python ${{ matrix.python-version }}
@@ -41,4 +44,8 @@ jobs:
 
       - name: Run tox test suite
         shell: bash
-        run: tox run --skip-pkg-install
+        run: tox run -vv --skip-pkg-install
+
+      # https://docs.astral.sh/uv/concepts/cache/#caching-in-continuous-integration
+      # - name: Minimize uv cache
+      #   run: uv cache prune --ci