chore(deps): update dependency @types/karma to v3

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "@types/chai": "^4.1.4",
     "@types/fs-extra": "^5.0.3",
     "@types/highlight.js": "^9.12.3",
-    "@types/karma": "^1.7.3",
+    "@types/karma": "^3.0.0",
     "@types/karma-webpack": "^2.0.4",
     "@types/lodash": "^4.14.110",
     "@types/marked": "^0.4.0",