chore(deps): update astral-sh/setup-uv action to v6

Author: renovate[bot]

.github/workflows/python-package.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Install uv
-      uses: astral-sh/setup-uv@v5
+      uses: astral-sh/setup-uv@v6
       with:
         python-version: ${{ matrix.python-version }}
         version: 0.7.8

.github/workflows/python-publish.yml

@@ -36,7 +36,7 @@ jobs:
     steps:
        - uses: actions/checkout@v4
        - name: Install uv
-         uses: astral-sh/setup-uv@v5
+         uses: astral-sh/setup-uv@v6
          with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"