Bump lint-staged from 7.3.0 to 8.1.0 (#5211)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 7.3.0 to 8.1.0.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v7.3.0...v8.1.0)

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

package.json

@@ -64,7 +64,7 @@
     "jasmine-spec-reporter": "^4.1.0",
     "jsdoc": "^3.5.5",
     "jsdoc-babel": "^0.5.0",
-    "lint-staged": "^7.2.2",
+    "lint-staged": "^8.1.0",
     "mongodb-runner": "4.3.2",
     "nyc": "^12.0.2",
     "prettier": "1.15.3",