chore(deps): update karma (major) (#264)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -61,9 +61,9 @@
     "karma": "^5.0.1",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.0",
-    "karma-coverage-istanbul-reporter": "^2.1.1",
+    "karma-coverage-istanbul-reporter": "^3.0.2",
     "karma-firefox-launcher": "^1.3.0",
-    "karma-mocha": "^1.3.0",
+    "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sinon": "^1.0.5",
     "karma-sourcemap-loader": "^0.3.7",