Bump karma from 3.1.1 to 3.1.3 in /js

Bumps [karma](https://github.com/karma-runner/karma) from 3.1.1 to 3.1.3.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v3.1.1...v3.1.3)

Signed-off-by: dependabot[bot] <support@dependabot.com>

js/package.json

@@ -27,7 +27,7 @@
     "@babel/preset-env": "^7.1.6",
     "babel-loader": "^8.0.4",
     "css-loader": "^1.0.1",
-    "karma": "^3.1.1",
+    "karma": "^3.1.3",
     "mini-css-extract-plugin": "^0.4.5",
     "uglifyjs-webpack-plugin": "^2.0.1",
     "webpack": "^4.26.1",