Bump actions used in docs (#792)

dependency-submission/README.md

@@ -22,9 +22,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Setup Java
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: 'temurin'
         java-version: 17