chore(deps): bump pixelmatch from 5.3.0 to 6.0.0

Bumps [pixelmatch](https://github.com/mapbox/pixelmatch) from 5.3.0 to 6.0.0.
- [Release notes](https://github.com/mapbox/pixelmatch/releases)
- [Commits](mapbox/pixelmatch@v5.3.0...v6.0.0)

---
updated-dependencies:
- dependency-name: pixelmatch
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

e2e/package.json

@@ -18,7 +18,7 @@
     "@types/pixelmatch": "^5.2.6",
     "@types/puppeteer": "^7.0.4",
     "jest-puppeteer": "^10.1.1",
-    "pixelmatch": "^5.3.0",
+    "pixelmatch": "^6.0.0",
     "puppeteer": "^23.3.0",
     "rimraf": "^6.0.1",
     "sharp": "^0.33.5",