Bump actions/checkout from 4.1.5 to 4.1.6 in the github-actions group (#256)

Author: dependabot[bot]

.github/workflows/main.yml

@@ -30,7 +30,7 @@ jobs:
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
     - name: Set up JDK
       uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
       with: