Bump actions/setup-python from 2 to 5 (AliceO2Group#14299)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/datamodel-doc.yml

@@ -40,7 +40,7 @@ jobs:
           git checkout -B auto-datamodel-doc
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: 3.x