ci(deps): bump actions/setup-python from 4 to 6 (#27)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v6
       with:
         python-version: '3.11'
     - uses: pre-commit/action@v3.0.0
@@ -77,7 +77,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'
 
@@ -113,7 +113,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'
 

.github/workflows/docs.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'
 

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'