Merge pull request #279 from serv-c/dependabot/github_actions/actions/setup-python-6

fix: bump actions/setup-python from 5 to 6

Author: github-actions[bot]

.github/workflows/unit.yml

@@ -6,7 +6,7 @@ jobs:
     - uses: actions/checkout@v6
       with:
         submodules: true
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: 3.13
     - env: