More uv in CI.

.github/workflows/ci.yml

@@ -19,12 +19,14 @@ jobs:
       noxenvs: ${{ steps.noxenvs-matrix.outputs.noxenvs }}
     steps:
       - uses: actions/checkout@v4
-      - name: Set up nox
-        uses: wntrblm/[email protected]
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
       - id: noxenvs-matrix
         run: |
           echo >>$GITHUB_OUTPUT noxenvs=$(
-            nox --list-sessions --json | jq '[.[].session]'
+            uvx nox --list-sessions --json | jq '[.[].session]'
           )
 
   ci:
@@ -37,7 +39,7 @@ jobs:
         noxenv: ${{ fromJson(needs.list.outputs.noxenvs) }}
         posargs: [""]
         include:
-          - noxenv: tests-3.12
+          - noxenv: tests-3.13
             posargs: coverage github
 
     steps:
@@ -63,12 +65,12 @@ jobs:
           allow-prereleases: true
 
       - name: Set up uv
-        uses: hynek/setup-cached-uv@v2
-      - name: Set up nox
-        uses: wntrblm/[email protected]
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
 
       - name: Run nox
-        run: nox -s "${{ matrix.noxenv }}" -- ${{ matrix.posargs }}
+        run: uvx nox -s "${{ matrix.noxenv }}" -- ${{ matrix.posargs }}
 
   packaging:
     needs: ci
@@ -85,17 +87,13 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: "recursive"
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.x"
       - name: Set up uv
-        uses: hynek/setup-cached-uv@v2
-      - name: Install dependencies
-        run: uv pip install --system build
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
 
-      - name: Create packages
-        run: python -m build .
+      - name: Build our distributions
+        run: uv run --frozen --with 'build[uv]' -m build --installer=uv
 
       - name: Publish to PyPI
         if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')