Update dependency prettier to v2.7.0

Author: renovate-bot

package.json

@@ -24,7 +24,7 @@
     "flow-bin": "0.84.0",
     "graphql-request": "1.8.2",
     "lint-staged": "12.5.0",
-    "prettier": "2.6.2"
+    "prettier": "2.7.0"
   },
   "homepage": "https://github.com/nteract/nteract.io#readme",
   "license": "BSD-3-Clause",

yarn.lock

@@ -4457,10 +4457,10 @@ postcss-value-parser@^4.0.2:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz#482282c09a42706d1fc9a069b73f44ec08391dc9"
   integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
-prettier@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.6.2.tgz#e26d71a18a74c3d0f0597f55f01fb6c06c206032"
-  integrity sha512-PkUpF+qoXTqhOeWL9fu7As8LXsIUZ1WYaJiY/a7McAQzxjk82OF0tibkFXVCDImZtWxbvojFjerkiLb0/q8mew==
+prettier@2.7.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.0.tgz#a4fdae07e5596c51c9857ea676cd41a0163879d6"
+  integrity sha512-nwoX4GMFgxoPC6diHvSwmK/4yU8FFH3V8XWtLQrbj4IBsK2pkYhG4kf/ljF/haaZ/aii+wNJqISrCDPgxGWDVQ==
 
 prismjs@^1.8.4, prismjs@~1.15.0:
   version "1.15.0"