chore(deps-dev): update lint-staged requirement from ^8.0.3 to ^9.1.0 (…

…ionic-team#167)

Updates the requirements on [lint-staged](https://github.com/okonet/lint-staged) to permit the latest version.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](lint-staged/lint-staged@v8.0.3...v9.1.0)

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

package.json

@@ -51,7 +51,7 @@
     "commitizen": "^3.0.2",
     "cz-conventional-changelog": "^2.1.0",
     "husky": "^3.0.0",
-    "lint-staged": "^8.0.3",
+    "lint-staged": "^9.1.0",
     "rimraf": "^2.6.2",
     "semantic-release": "^15.9.17",
     "tslint": "^5.12.0",