Upgrade GitHub Action version for astral-sh/setup-uv to @4

Author: tleonhardt

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
           # Set fetch-depth: 0 to fetch all history for all branches and tags.
           fetch-depth: 0 # Needed for setuptools_scm to work correctly
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5