Bump sitespeed.io from 34.7.0 to 34.9.0

Bumps [sitespeed.io](https://github.com/sitespeedio/sitespeed.io) from 34.7.0 to 34.9.0.
- [Release notes](https://github.com/sitespeedio/sitespeed.io/releases)
- [Changelog](https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md)
- [Commits](sitespeedio/sitespeed.io@v34.7.0...v34.9.0)

---
updated-dependencies:
- dependency-name: sitespeed.io
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "lighthouse": "12.1.0",
     "pa11y": "8.0.0",
-    "sitespeed.io": "34.7.0",
+    "sitespeed.io": "34.9.0",
     "vnu-jar": "23.4.11",
     "yellowlabtools": "3.0.1"
   },