Update dependency karma-webpack to v1.8.1

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
     "karma-coverage": "^1.1.1",
     "karma-jasmine": "1.0.2",
     "karma-jsdom-launcher": "~7.0.0",
-    "karma-webpack": "1.8.0",
+    "karma-webpack": "1.8.1",
     "lodash": "~4.17.20",
     "ng-annotate-webpack-plugin": "0.1.3",
     "numeral": "^2.0.6",

yarn.lock

@@ -139,7 +139,7 @@ __metadata:
     karma-coverage: "npm:^1.1.1"
     karma-jasmine: "npm:1.0.2"
     karma-jsdom-launcher: "npm:~7.0.0"
-    karma-webpack: "npm:1.8.0"
+    karma-webpack: "npm:1.8.1"
     lodash: "npm:~4.17.20"
     ng-annotate-webpack-plugin: "npm:0.1.3"
     numeral: "npm:^2.0.6"
@@ -7633,18 +7633,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"karma-webpack@npm:1.8.0":
-  version: 1.8.0
-  resolution: "karma-webpack@npm:1.8.0"
+"karma-webpack@npm:1.8.1":
+  version: 1.8.1
+  resolution: "karma-webpack@npm:1.8.1"
   dependencies:
     async: "npm:~0.9.0"
     loader-utils: "npm:^0.2.5"
     lodash: "npm:^3.8.0"
     source-map: "npm:^0.1.41"
     webpack-dev-middleware: "npm:^1.0.11"
   peerDependencies:
-    webpack: ^1.1.0 || ^2 || ^2.1.0-beta
-  checksum: 10/e46c24cbb529d11bf4b891d9f385cb67fe9be5f3e4f14e50d59585c3af636ba43e6fc262a9851f3a98520bd674f76c3b15826f4d3e02f5abc1adc6431407164f
+    webpack: ^1.1.0 || ^2 || ^2.1.0-beta || ^2.2.0-rc
+  checksum: 10/7e60e1ddc8e7206be3d616d982c7c3e1886116b3380daccdf5b554c36ca2451ff04169ff11e3ae79b14664c1ffa38d0f6a1c422b2325430bbda773c9fca41045
   languageName: node
   linkType: hard