Bump lint-staged from 12.0.2 to 12.1.2 (#7395)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 12.0.2 to 12.1.2.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v12.0.2...v12.1.2)

---
updated-dependencies:
- dependency-name: lint-staged
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -154,7 +154,7 @@
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-mocha-reporter": "2.2.5",
     "license-checker": "^25.0.1",
-    "lint-staged": "^12.0.2",
+    "lint-staged": "^12.1.2",
     "lite-server": "^2.6.1",
     "mini-css-extract-plugin": "^1.6.0",
     "nconf": "^0.11.1",