feat: update pipeline to nodejs 24 and actions/checkout@6 actions/setup-node@v6 actions/setup-java@5

Author: Jörn Franke

.github/workflows/build.yml

@@ -4,13 +4,13 @@ jobs:
   build-springbootweb:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: '22'
-      - uses: actions/setup-java@v4
+          node-version: '24'
+      - uses: actions/setup-java@v5
         with:
           java-version: '25'
           distribution: 'temurin'