chore(deps): update actions/setup-python action to v6

.github/workflows/documentation.yml

@@ -304,7 +304,7 @@ jobs:
 
             - name: >-
                 🐍 Setup Python
-              uses: actions/setup-python@v5
+              uses: actions/setup-python@v6
               with:
                   python-version: 3.x
 

.github/workflows/issues-stale.yml

@@ -979,7 +979,7 @@ jobs:
 
             - name: >-
                   💤 Stale › Check Condition
-              uses: actions/stale@v10
+              uses: actions/stale@v9
               with:
                   repo-token: ${{ secrets.ADMINSERV_TOKEN_CL || github.token }}
                   stale-issue-message: |