build(ci): bump actions/checkout from 3 to 4 (#10)

Author: dependabot[bot]

.github/workflows/update-license.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
 
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0