chore(deps-dev): bump prettier from 1.19.1 to 2.0.1

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.0.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...2.0.1)

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

Author: dependabot-preview[bot]

package.json

@@ -78,7 +78,7 @@
     "jest": "^25.1.0",
     "lint-staged": "^10.0.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^1.18.2",
+    "prettier": "^2.0.1",
     "svelte": "^3.0.0",
     "svelte-jester": "^1.0.3"
   },