Bump actions/download-artifact from 4 to 5 in the dependencies group

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


Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/nightly-integration.yml

@@ -68,7 +68,7 @@ jobs:
           java-version: ${{ matrix.java }}
           distribution: 'temurin'
           cache: 'maven'
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: undertow-maven-repository
           path: .