chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout sourcecode
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
     - name: Cache Local Maven Repository
       uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5