Bump actions/checkout from 3 to 4 (#163)

Author: zefir-git

.github/workflows/codeql.yml

@@ -54,7 +54,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
 
     - uses: actions/setup-java@v3

.github/workflows/maven.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK 17
       uses: actions/setup-java@v3
       with: