Update actions/checkout action to v6.0.2 (#286)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/codeql.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
     # https://github.com/actions/checkout
     - name: Checkout repository
-      uses: actions/checkout@v6.0.1
+      uses: actions/checkout@v6.0.2
 
     # https://github.com/actions/setup-java
     - name: Set up JDK 17

.github/workflows/gradle.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: Check out Git repository
-        uses: actions/checkout@v6.0.1
+        uses: actions/checkout@v6.0.2
 
       # https://github.com/actions/cache
       - name: Cache Gradle