Merge pull request #3 from PowerGridModel/dependabot/github_actions/actions/setup-python-6

Bump actions/setup-python from 5 to 6

Author: TonyXiang8787

.github/workflows/sync-headers.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
           architecture: x64