⬆️ Bump astral-sh/setup-uv from 4 to 5

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 4 to 5.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v4...v5)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/tests.yaml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v5
         with:
           version: "latest"
           python-version: ${{ matrix.python-version }}
@@ -50,7 +50,7 @@ jobs:
             src/edutap/wallet_google/api.py
       - name: Install the latest version of uv
         if: steps.changed-models-or-api.outputs.any_changed == 'true'
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v5
         with:
           python-version: '3.13'
           enable-cache: true