ci(deps): 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] <support@github.com>

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
       run: env | sort
 
     - name: Git Checkout
-      uses: actions/checkout@v3 #https://github.com/actions/checkout
+      uses: actions/checkout@v4 #https://github.com/actions/checkout
       with:
         fetch-depth: 0 # required to prevent tycho-p2-extras-plugin:compare-version-with-baseline potentially failing the build
 

.github/workflows/licensecheck.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Git Checkout
-      uses: actions/checkout@v3 #https://github.com/actions/checkout
+      uses: actions/checkout@v4 #https://github.com/actions/checkout
 
     - name: "Install: JDK ${{ env.JAVA_VERSION }}"
       uses: actions/setup-java@v3 # https://github.com/actions/setup-java