chore(deps): bump astral-sh/setup-uv from 5 to 6 in the actions group (#499)

Bumps the actions group with 1 update: [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv).


Updates `astral-sh/setup-uv` from 5 to 6
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v5...v6)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     - uses: actions/setup-python@v5
       with:
         python-version: "3.x"
-    - uses: astral-sh/setup-uv@v5
+    - uses: astral-sh/setup-uv@v6
     - uses: pre-commit/[email protected]
       with:
         extra_args: --all-files --hook-stage manual
@@ -51,7 +51,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
 
-    - uses: astral-sh/setup-uv@v5
+    - uses: astral-sh/setup-uv@v6
 
     - name: Install package
       run: uv pip install --system -e .[test]
@@ -84,7 +84,7 @@ jobs:
       with:
         python-version: "3.x"
 
-    - uses: astral-sh/setup-uv@v5
+    - uses: astral-sh/setup-uv@v6
 
     - name: Install dot
       run: sudo apt-get install graphviz