Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

.github/workflows/maven.yml

@@ -35,7 +35,7 @@ jobs:
         check-latest: true
     - name: Build with Maven
       run: ./mvnw -B -V -e -DskipTests=true package
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: java-${{ matrix.java }}-jars
         path: |
@@ -50,7 +50,7 @@ jobs:
         check-latest: true
     - name: Test with Maven
       run: ./mvnw -B -V -e -P coverage verify -Denforcer.skip=true -Dmaven.resources.skip=true -Dmaven.main.skip=true -Dassembly.skipAssembly=true -Dmaven.javadoc.skip=true -DskipITs=false
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: java-${{ matrix.java }}-testresults
         path: |