chore(deps-dev): bump prettier from 2.1.1 to 2.1.2

Bumps [prettier](/~https://github.com/prettier/prettier) from 2.1.1 to 2.1.2.
- [Release notes](/~https://github.com/prettier/prettier/releases)
- [Changelog](/~https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.1.1...2.1.2)

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

package.json

@@ -63,7 +63,7 @@
     "gulp-git": "2.10.1",
     "gulp-jasmine": "4.0.0",
     "jasmine-core": "3.6.0",
-    "prettier": "2.1.1",
+    "prettier": "2.1.2",
     "rimraf": "3.0.2",
     "rollup": "2.28.2",
     "rollup-plugin-prettier": "2.1.0",