Bump prettier from 2.1.2 to 2.2.1

Bumps [prettier](https://github.com/prettier/prettier) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.1.2...2.2.1)

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

package.json

@@ -42,7 +42,7 @@
     "babel-jest": "^26.6.1",
     "jest": "^26.6.1",
     "jest-transform-svelte": "^2.1.1",
-    "prettier": "2.1.2",
+    "prettier": "2.2.1",
     "release-it": "^14.2.0",
     "svelte": "^3.29.4"
   }