chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -41,7 +41,7 @@ jobs:
 
     steps:
     - name: 'Checkout sourcecode'
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
     - name: 'Cache Local Maven Repository'
       uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0