Bump lint-staged from 12.1.5 to 12.1.6

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 12.1.5 to 12.1.6.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](lint-staged/lint-staged@v12.1.5...v12.1.6)

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

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

Author: dependabot[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "gulp-sass": "^5.1.0",
     "gulp-strip-css-comments": "^2.0.0",
     "gulp-uglify": "^3.0.2",
-    "lint-staged": "^12.1.5",
+    "lint-staged": "^12.1.6",
     "npm-check-updates": "^12.1.0",
     "prettier-standard": "^16.4.1",
     "sass": "^1.46.0",