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/asciidoc.yml

@@ -16,7 +16,7 @@ jobs:
     name: Build AsciiDoc documentation
     steps:
       - name: Checkout into ./repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: repo
       - name: Extract revision info

.github/workflows/codeql-analysis.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.

.github/workflows/maven.yml

@@ -20,7 +20,7 @@ jobs:
         java: [11, 13, 15, 17]
     name: Java ${{ matrix.java }} Run
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v3
       with:
@@ -42,7 +42,7 @@ jobs:
         java: [17]
     name: Java ${{ matrix.java }} Gradle Run
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v3
       with:
@@ -68,7 +68,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Check Code Style
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK 15
       uses: actions/setup-java@v3
       with:
@@ -88,7 +88,7 @@ jobs:
     runs-on: ubuntu-latest
     name: SonarCloud Java 16
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # Disabling shallow clone is recommended for improving relevancy of reporting
         fetch-depth: 0
@@ -114,7 +114,7 @@ jobs:
     needs: [code-style, test, test-gradle]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK 11
       uses: actions/setup-java@v3
       with: