Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         jdk-version: [ 11, 17 ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.jdk-version }}
         uses: actions/setup-java@v3

.github/workflows/publish-website.yml

@@ -14,7 +14,7 @@ jobs:
         jdk-version: [ 17 ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0 # to fetch all tags for proper version
 

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
         jdk-version: [ 11 ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.jdk-version }}
         uses: actions/setup-java@v3

.github/workflows/update-gradlew.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK 17
         uses: actions/setup-java@v3