Bump astral-sh/setup-uv from 6.4.3 to 6.6.0

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6.4.3 to 6.6.0.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@e92bafb...4959332)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 6.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/pull-request-python-tests.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
     - uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
     - name: Set up Python ${{ matrix.python-version }}
-      uses: astral-sh/setup-uv@e92bafb6253dcd438e0484186d7669ea7a8ca1cc
+      uses: astral-sh/setup-uv@4959332f0f014c5280e7eac8b70c90cb574c9f9b
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies