chore: update dependency prettier to v2

Author: renovate-bot

package.json

@@ -93,7 +93,7 @@
     "lerna-v2": "npm:lerna@2",
     "lerna-v3": "npm:lerna@3",
     "lint-staged": "10.2.9",
-    "prettier": "1.17.1",
+    "prettier": "2.0.5",
     "ts-jest": "25.2.1",
     "typescript": "3.8.2"
   },

yarn.lock

@@ -8046,10 +8046,10 @@ prepend-http@^2.0.0:
   resolved "https://registry.npmjs.org/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-prettier@1.17.1:
-  version "1.17.1"
-  resolved "https://registry.npmjs.org/prettier/-/prettier-1.17.1.tgz#ed64b4e93e370cb8a25b9ef7fef3e4fd1c0995db"
-  integrity sha512-TzGRNvuUSmPgwivDqkZ9tM/qTGW9hqDKWOE9YHiyQdixlKbv7kvEqsmDPrcHJTKwthU774TQwZXVtaQ/mMsvjg==
+prettier@2.0.5:
+  version "2.0.5"
+  resolved "https://registry.npmjs.org/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
+  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
 
 pretty-format@^25.1.0:
   version "25.1.0"