Add cookie as a dev dependency because it ends up being needed in unit tests

package.json

@@ -128,6 +128,7 @@
     "ansi-colors": "^3.2.3",
     "asar": "^3.0.3",
     "chromium-pickle-js": "^0.2.0",
+    "cookie": "^0.4.0",
     "copy-webpack-plugin": "^6.0.3",
     "cson-parser": "^1.3.3",
     "css-loader": "^3.2.0",

yarn.lock

@@ -3423,6 +3423,11 @@ convert-source-map@^1.0.0, convert-source-map@^1.5.0, convert-source-map@^1.7.0:
   dependencies:
     safe-buffer "~5.1.1"
 
+cookie@^0.4.0:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.1.tgz#afd713fe26ebd21ba95ceb61f9a8116e50a537d1"
+  integrity sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==
+
 cookies@~0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/cookies/-/cookies-0.8.0.tgz#1293ce4b391740a8406e3c9870e828c4b54f3f90"