chore(deps): update dependency @types/chai to v4.2.8

Author: renovate-bot

package.json

@@ -58,7 +58,7 @@
     "@angular/language-service": "7.1.0",
     "@nrwl/builders": "7.0.2",
     "@nrwl/schematics": "7.0.2",
-    "@types/chai": "4.1.7",
+    "@types/chai": "4.2.8",
     "@types/expect": "1.20.3",
     "@types/jest": "23.3.9",
     "@types/node": "10.12.10",

yarn.lock

@@ -334,10 +334,10 @@
     semver "5.5.1"
     semver-intersect "1.4.0"
 
-"@types/chai@4.1.7":
-  version "4.1.7"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.1.7.tgz#1b8e33b61a8c09cbe1f85133071baa0dbf9fa71a"
-  integrity sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==
+"@types/chai@4.2.8":
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.8.tgz#c8d645506db0d15f4aafd4dfa873f443ad87ea59"
+  integrity sha512-U1bQiWbln41Yo6EeHMr+34aUhvrMVyrhn9lYfPSpLTCrZlGxU4Rtn1bocX+0p2Fc/Jkd2FanCEXdw0WNfHHM0w==
 
 "@types/codemirror@^0.0.69":
   version "0.0.69"