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-verify.yml

@@ -196,15 +196,15 @@ jobs:
         if: inputs.ff-site-run
 
       - name: Upload Maven Site
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: inputs.ff-site-run
         with:
           name: ${{ github.run_number }}-site-${{ inputs.ff-os }}-${{ inputs.ff-jdk }}-${{ inputs.ff-jdk-distribution }}
           path: |
             target/staging/**
 
       - name: Upload artifact on failure
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: failure() && inputs.failure-upload-path != ''
         with:
           name: ${{ github.run_number }}-failure-${{ inputs.ff-os }}-${{ inputs.ff-jdk }}-${{ inputs.ff-jdk-distribution }}
@@ -287,7 +287,7 @@ jobs:
         run: ./mvnw --errors --batch-mode --show-version ${{ inputs.maven-args }} ${{ inputs.verify-goal }}
 
       - name: Upload artifact on failure
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: steps.should-run.conclusion == 'success' && failure() && inputs.failure-upload-path != ''
         with:
           name: ${{ github.run_number }}-failure-${{ matrix.os }}-${{ matrix.jdk }}-${{ matrix.distribution }}