Bump actions/checkout from 4 to 5 (#121)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
     steps:
 
       - name: 1. Check out code
-        uses: actions/checkout@v4 # https://github.com/actions/checkout
+        uses: actions/checkout@v5 # https://github.com/actions/checkout
 
       - name: 2. Set up Java 11
         uses: actions/setup-java@v4 # https://github.com/actions/setup-java
@@ -56,7 +56,7 @@ jobs:
     steps:
 
     - name: 1. Check out code
-      uses: actions/checkout@v4 # https://github.com/actions/checkout
+      uses: actions/checkout@v5 # https://github.com/actions/checkout
 
     - name: 2. Set up Java ${{ matrix.java }}
       uses: actions/setup-java@v4 # https://github.com/actions/setup-java
@@ -84,7 +84,7 @@ jobs:
     steps:
 
     - name: Check out code
-      uses: actions/checkout@v4 # https://github.com/actions/checkout
+      uses: actions/checkout@v5 # https://github.com/actions/checkout
       with:
         fetch-depth: '0' # https://github.com/shipkit/shipkit-changelog#fetch-depth-on-ci