chore: update setup-python action to specific commit version

Author: nookyo

actions/pr-add-messages/action.yaml

@@ -7,9 +7,11 @@ runs:
   steps:
     - name: Checkout code
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
+      with:
+        persist-credentials: false
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 #v6.2.0
       with:
         python-version: "3.9"