[github-actions]: Bump actions/checkout in /.github/workflows (#167)

Author: dependabot[bot]

.github/workflows/release_maven.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0