build(deps-dev): bump web-ext from 9.0.0 to 9.1.0

Bumps [web-ext](https://github.com/mozilla/web-ext) from 9.0.0 to 9.1.0.
- [Release notes](https://github.com/mozilla/web-ext/releases)
- [Commits](mozilla/web-ext@9.0.0...9.1.0)

---
updated-dependencies:
- dependency-name: web-ext
  dependency-version: 9.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

injected/package.json

@@ -44,6 +44,6 @@
     "fast-check": "^4.2.0",
     "jasmine": "^5.12.0",
     "jsdom": "^27.0.0",
-    "web-ext": "^9.0.0"
+    "web-ext": "^9.1.0"
   }
 }