Update actions/checkout digest to de0fac2 (#279)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: "Checkout repository"
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: "Setup Java & Gradle environment"
         uses: ./.github/actions/setup
       - name: "Execute Gradle task"