Bump astral-sh/setup-uv from 6.3.1 to 6.4.0

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6.3.1 to 6.4.0.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@bd01e18...05273c1)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 6.4.0
  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@09d2acae674a48949e3602304ab46fd20ae0c42f
     - name: Set up Python ${{ matrix.python-version }}
-      uses: astral-sh/setup-uv@bd01e18f51369d5a26f1651c3cb451d3417e3bba
+      uses: astral-sh/setup-uv@05273c154d09957eb9a2377d9c988fbda431d1c5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies