update checkout version in pr-checks/checks

pr-checks/checks/submit-sarif-failure.yml

@@ -15,7 +15,7 @@ env:
   CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
 
 steps:
-  - uses: actions/checkout@v3
+  - uses: actions/checkout@v4
   - uses: ./init
     with:
       languages: javascript

pr-checks/checks/with-checkout-path.yml

@@ -3,7 +3,7 @@ description: "Checks that a custom `checkout_path` will find the proper commit_o
 steps:
   # Check out the actions repo again, but at a different location.
   # choose an arbitrary SHA so that we can later test that the commit_oid is not from main
-  - uses: actions/checkout@v3
+  - uses: actions/checkout@v4
     with:
       ref: 474bbf07f9247ffe1856c6a0f94aeeb10e7afee6
       path: x/y/z/some-path