Bump lint-staged from 11.2.3 to 12.1.2 in /generators/app/templates

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 11.2.3 to 12.1.2.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](lint-staged/lint-staged@v11.2.3...v12.1.2)

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

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

generators/app/templates/package.json

@@ -49,7 +49,7 @@
     "jest": "26.6.3",
     "jest-circus": "26.6.3",
     "@react-native-community/eslint-config": "3.0.1",
-    "lint-staged": "11.2.3",
+    "lint-staged": "12.1.2",
     "detox": "18.18.1",
     "@ruddell/detox-expo-helpers": "0.7.0",
     "expo-detox-hook": "1.0.10",