Bump @mozilla/readability

Bumps [@mozilla/readability](https://github.com/mozilla/readability) from 0.5.0 to 0.6.0.
- [Changelog](https://github.com/mozilla/readability/blob/main/CHANGELOG.md)
- [Commits](https://github.com/mozilla/readability/compare/0.5.0...0.6.0)

---
updated-dependencies:
- dependency-name: "@mozilla/readability"
  dependency-version: 0.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

packages/flutter_mozilla_components/javascript/readability/package.json

@@ -10,7 +10,7 @@
   "license": "ISC",
   "description": "",
   "dependencies": {
-    "@mozilla/readability": "^0.5.0",
+    "@mozilla/readability": "^0.6.0",
     "remove-markdown": "^0.5.5",
     "turndown": "^7.2.0"
   },