Bump astral-sh/setup-uv from 6 to 7

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6 to 7.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v6...v7)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/python-tests.yml

@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v5
     - name: Install uv and set the python version
       id: setup-uv
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@v7
       with:
         version: "0.8.15" # It is considered best practice to pin to a specific uv version
         # https://github.com/astral-sh/setup-uv?tab=readme-ov-file#enable-caching
@@ -50,7 +50,7 @@ jobs:
     - uses: actions/checkout@v5
     - name: Install uv and set the python version
       id: setup-uv
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@v7
       with:
         # https://docs.astral.sh/uv/guides/integration/github/#multiple-python-versions
         python-version: ${{ matrix.python-version }}