Merge pull request #85 from xiaohai2271/dependabot/npm_and_yarn/karma-6.2.0

chore(deps-dev): bump karma from 5.2.3 to 6.2.0

package.json

@@ -39,7 +39,7 @@
     "codelyzer": "^6.0.1",
     "jasmine-core": "^3.6.0",
     "jasmine-spec-reporter": "^6.0.0",
-    "karma": "^5.2.3",
+    "karma": "^6.2.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage-istanbul-reporter": "^3.0.3",
     "karma-jasmine": "^4.0.1",