Update CI setup

Author: mgeier

.github/workflows/docs.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
       - name: Install dependencies
         run: |
-          python -m pip install -r doc/requirements.txt
+          python -m pip install --group doc
       - name: Build HTML
         run: |
           python -m sphinx -W --keep-going --color -d _build/doctrees/ doc/ _build/html/ -b html

.github/workflows/publish.yml

@@ -1,5 +1,7 @@
 name: Build and publish to PyPI
 on: [push, pull_request]
+env:
+  UV_PYTHON_DOWNLOADS: never
 jobs:
   build:
     name: Build distribution
@@ -8,15 +10,11 @@ jobs:
     - uses: actions/checkout@v5
       with:
         submodules: true
-    - name: Set up Python
-      uses: actions/setup-python@v6
-      with:
-        python-version: "3"
-    - name: Install "build"
-      run: |
-        python -m pip install build
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
     - name: Build binary wheels and a source tarball
-      run: ./make_dist.sh
+      run: |
+        ./make_dist.sh
     - name: Store the distribution packages
       uses: actions/upload-artifact@v4
       with: