Update dependency karma to v3.1.4

package.json

@@ -88,7 +88,7 @@
     "fetch-mock": "7.2.8",
     "jasmine-jquery": "2.1.1",
     "jest": "23.6.0",
-    "karma": "3.1.3",
+    "karma": "3.1.4",
     "karma-firefox-launcher": "1.1.0",
     "karma-jasmine": "2.0.1",
     "karma-webpack": "4.0.0-rc.5",

yarn.lock

@@ -5969,10 +5969,10 @@ karma-webpack@4.0.0-rc.5:
     source-map "^0.5.6"
     webpack-dev-middleware "^3.2.0"
 
-karma@3.1.3:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-3.1.3.tgz#6e251648e3aff900927bc1126dbcbcb92d3edd61"
-  integrity sha512-JU4FYUtFEGsLZd6ZJzLrivcPj0TkteBiIRDcXWFsltPMGgZMDtby/MIzNOzgyZv/9dahs9vHpSxerC/ZfeX9Qw==
+karma@3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-3.1.4.tgz#3890ca9722b10d1d14b726e1335931455788499e"
+  integrity sha512-31Vo8Qr5glN+dZEVIpnPCxEGleqE0EY6CtC2X9TagRV3rRQ3SNrvfhddICkJgUK3AgqpeKSZau03QumTGhGoSw==
   dependencies:
     bluebird "^3.3.0"
     body-parser "^1.16.1"