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](https://github.com/actions/checkout/compare/v3...v4)

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

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

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Validate wrapper
       - name: Gradle Wrapper Validation
@@ -102,7 +102,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up Java environment for the next steps
       - name: Setup Java
@@ -155,7 +155,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up Java environment for the next steps
       - name: Setup Java
@@ -186,7 +186,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up Java environment for the next steps
       - name: Setup Java
@@ -233,7 +233,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up Java environment for the next steps
       - name: Setup Java

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.release.tag_name }}
 

.github/workflows/run-ui-tests.yml

@@ -33,7 +33,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up Java environment for the next steps
       - name: Setup Java

.github/workflows/template-cleanup.yml

@@ -19,7 +19,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Cleanup project
       - name: Cleanup

.github/workflows/template-verify.yml

@@ -23,7 +23,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Compare `gradle.properties` with `.github/template-cleanup/gradle.properties`
       - name: Verify gradle.properties