Bump @types/qunit from 2.5.4 to 2.9.0 (ember-cli#288)

Bump @types/qunit from 2.5.4 to 2.9.0

Author: xg-wang

package.json

@@ -44,7 +44,7 @@
     "@types/ember-test-helpers": "^1.0.5",
     "@types/ember-testing-helpers": "^0.0.3",
     "@types/ember__test-helpers": "^0.7.8",
-    "@types/qunit": "^2.5.4",
+    "@types/qunit": "^2.9.0",
     "@types/rsvp": "^4.0.2",
     "@typescript-eslint/eslint-plugin": "^1.7.0",
     "@typescript-eslint/parser": "^1.6.0",

yarn.lock

@@ -992,10 +992,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-9.6.47.tgz#655b4a1cc52c8ab08f48cc055061990d6846bc97"
   integrity sha512-56wEJWXZs+3XXoTe/OCpdZ6czrONhy+6hT0GdPOb7HvudLTMJ1T5tuZPs37K5cPR5t+J9+vLPFDQgUQ8NWJE1w==
 
-"@types/qunit@^2.5.4":
-  version "2.5.4"
-  resolved "https://registry.yarnpkg.com/@types/qunit/-/qunit-2.5.4.tgz#0518940acc6013259a8619a1ec34ce0e4ff8d1c4"
-  integrity sha512-VHi2lEd4/zp8OOouf43JXGJJ5ZxHvdLL1dU0Yakp6Iy73SjpuXl7yjwAwmh1qhTv8krDgHteSwaySr++uXX9YQ==
+"@types/qunit@^2.9.0":
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/@types/qunit/-/qunit-2.9.0.tgz#0b3fcbe2b92f067856adac82ba3afbc66d8835ac"
+  integrity sha512-Hx34HZmTJKRay+x3sFdEK62I8Z8YSWYg+rAlNr4M+AbwvNUJYxTTmWEH4a8B9ZN+Fl61awFrw+oRicWLFVugvQ==
 
 "@types/rsvp@*", "@types/rsvp@^4.0.2":
   version "4.0.2"