Bump actions/checkout from 4 to 5 (#141)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         os: [ 'ubuntu-latest', 'windows-latest', 'macos-latest']
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up JDK
       uses: actions/setup-java@v5
       with: