Bump actions/checkout from 3 to 4 (#79)

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

.github/workflows/maven.yml

@@ -40,7 +40,7 @@ jobs:
     steps:
 
       #      - name: Checkout Arquillian
-      #        uses: actions/checkout@v3
+      #        uses: actions/checkout@v4
       #        with:
       #          repository: 'arquillian/arquillian-container-jetty'
       #          ref: 'master'
@@ -56,7 +56,7 @@ jobs:
       #        run: mvn install -B -U
 
       - name: Checkout Servlet TCK
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: 'jakartaee/servlet'
           ref: 'master'
@@ -76,7 +76,7 @@ jobs:
         run: ./mvnw -V -B -U clean install -DskipTests -e  -B -U
 
       - name: Checkout TCK Run
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Maven
         run: