chore(deps): update astral-sh/setup-uv action to v7 (#1136)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/tests.yml

@@ -97,7 +97,7 @@ jobs:
         python-version: [3.11, 3.13] # Our min and max supported Python versions
     steps:
       - uses: actions/checkout@v5
-      - uses: astral-sh/setup-uv@v6
+      - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}