Update dependency prettier to v2.8.4

Author: renovate[bot]

extensions/jupyterlab/package.json

@@ -36,7 +36,7 @@
     "@jupyterlab/console": "^2.0.0 || ^3.0.0"
   },
   "devDependencies": {
-    "prettier": "2.0.5",
+    "prettier": "2.8.4",
     "rimraf": "3.0.2",
     "typescript": "3.9.3"
   },

extensions/jupyterlab/yarn.lock

@@ -1061,10 +1061,10 @@ postcss@^7.0.27:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-prettier@2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
+prettier@2.8.4:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.4.tgz#34dd2595629bfbb79d344ac4a91ff948694463c3"
+  integrity sha512-vIS4Rlc2FNh0BySk3Wkd6xmwxB0FpOndW5fisM5H8hsZSxU2VWVB5CWIkIjWvrHjIhxk2g3bfMKM87zNTrZddw==
 
 prop-types@^15.6.1, prop-types@^15.6.2:
   version "15.7.2"

jupyter_dash/labextension/package.json

@@ -36,7 +36,7 @@
     "@jupyterlab/console": "^2.0.0 || ^3.0.0"
   },
   "devDependencies": {
-    "prettier": "2.0.5",
+    "prettier": "2.8.4",
     "rimraf": "3.0.2",
     "typescript": "3.9.3"
   },