Bump actions/checkout from 5.0.0 to 6.0.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@08c6903...8e8c483)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/default.yml

@@ -12,7 +12,7 @@ jobs:
         java: [ 21 ]
     name: Java ${{ matrix.java }} compile
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 #v6.0.1
       - name: Setup java
         uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 #v5.0.0
         with:
@@ -24,7 +24,7 @@ jobs:
     needs: compile
     name: Build Maven project
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5.0.0
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 #v6.0.1
     - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 #v4.3.0
       with:
         path: ~/.m2/repository