Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v4
@@ -29,7 +29,7 @@ jobs:
     if: ${{ github.ref == 'refs/heads/main' || startswith(github.ref, 'refs/tags/') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v4