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/ci.yml

@@ -25,7 +25,7 @@ jobs:
         steps:
         -   uses: actions/checkout@v5
         -
-            uses: actions/setup-python@v5
+            uses: actions/setup-python@v6
         -   name: "Main Script"
             run: |
                 pip install ruff
@@ -97,7 +97,7 @@ jobs:
         steps:
         -   uses: actions/checkout@v5
         -
-            uses: actions/setup-python@v5
+            uses: actions/setup-python@v6
             with:
                 python-version: '3.x'
         -   name: "Main Script"