Bump actions/setup-python from 5 to 6

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
             uses: astral-sh/setup-uv@v6
 
         -   name: 🐍 Set up Python
-            uses: actions/setup-python@v5
+            uses: actions/setup-python@v6
             with:
                 python-version: 3.12
 

.github/workflows/test.yml

@@ -34,7 +34,7 @@ jobs:
         -   name: Install the latest version of uv
             uses: astral-sh/setup-uv@v6
         -   name: Setup python
-            uses: actions/setup-python@v5
+            uses: actions/setup-python@v6
             with:
                 python-version: ${{ matrix.py }}
         -   name: Install tox