Updated checkout on json-yaml-validate

Signed-off-by: George Araújo <george.gcac@gmail.com>

.github/workflows/json-yaml-validate.yml

@@ -18,7 +18,7 @@ jobs:
   json-yaml-validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4.2.2
 
       - name: json-yaml-validate
         id: json-yaml-validate