chore(deps-dev): 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:development
  update-type: version-update:semver-major
...

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

package.json

@@ -238,7 +238,7 @@
     "nprogress": "^0.2.0",
     "open": "^10.1.0",
     "ora": "^8.0.1",
-    "pixelmatch": "^5.3.0",
+    "pixelmatch": "^6.0.0",
     "pngjs": "^7.0.0",
     "prettier": "^3.2.5",
     "prettier-plugin-jsdoc": "^1.3.0",