GitHub Actions(deps): Bump actions/download-artifact from 3 to 4

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

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

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

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Maven tests
         run: mvn install -DskipTests
       - name: Download XBuilder e2e Yaml files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: xbuilder-e2e-yaml
           path: xbuilder/quarkus-extension/integration-tests/src/test/resources/e2e/
@@ -79,7 +79,7 @@ jobs:
       - name: Maven tests
         run: mvn install -DskipTests
       - name: Download XBuilder e2e Yaml files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: xbuilder-e2e-yaml
           path: xbuilder/quarkus-extension/integration-tests/src/test/resources/e2e/