github-actions(deps): Bump actions/download-artifact from 4.1.8 to 4.1.9

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.8 to 4.1.9.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.8...v4.1.9)

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

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

Author: dependabot[bot]

.github/workflows/integrate.yaml

@@ -793,7 +793,7 @@ jobs:
         run: "vendor/bin/phpunit --colors=always --configuration=test/EndToEnd/Version12/phpunit.xml"
 
       - name: "Download Phar"
-        uses: "actions/[email protected].8"
+        uses: "actions/[email protected].9"
         with:
           name: "phpunit-slow-test-detector-phar"
           path: "${{ env.PHPUNIT_SLOW_TEST_DETECTOR_PHAR }}"