Bump the dependencies group with 1 update (#50)

Bumps the dependencies group with 1 update: [actions/checkout](https://github.com/actions/checkout).

- [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
  dependency-group: dependencies
...

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

.github/workflows/maven-build.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up JDK 11
       uses: actions/setup-java@v3

.github/workflows/maven-deploy.yml

@@ -27,7 +27,7 @@ jobs:
         echo $GPG_OWNERTRUST | base64 --decode | $GPG_EXECUTABLE  --yes --batch --import-ownertrust
 
     - name: Checkout Source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up JDK 11
       uses: actions/setup-java@v3