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]>

Author: dependabot[bot]

.github/workflows/gradle-wrapper-validation.yml

@@ -6,5 +6,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4
       - uses: gradle/[email protected]

.github/workflows/publish-maven-central.yml

@@ -21,7 +21,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-    - uses: actions/checkout@v4.1.1
+    - uses: actions/checkout@v4
 
     - name: Gradle wrapper validation
       uses: gradle/[email protected]

.github/workflows/publish-snapshot.yml

@@ -16,7 +16,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-    - uses: actions/checkout@v4.1.1
+    - uses: actions/checkout@v4
 
     - name: Gradle wrapper validation
       uses: gradle/[email protected]

.github/workflows/release-maven-central.yml

@@ -24,7 +24,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-    - uses: actions/checkout@v4.1.1
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
       # Ask matrix.js to produce 7 jobs
       MATRIX_JOBS: 7
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - id: set-matrix
@@ -37,7 +37,7 @@ jobs:
     env:
       TZ: ${{ matrix.tz }}
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 10
       # Install built-in JDK

.github/workflows/update-gradle-wrapper.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Update Gradle Wrapper
         uses: gradle-update/update-gradle-wrapper-action@v1