chore(deps): update actions/checkout action to v4

.github/workflows/aws-parameterstore-main.yml

@@ -25,7 +25,7 @@ jobs:
       run:
         working-directory: "./aws-parameterstore-project"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis