chore(deps-dev): bump karma from 3.1.4 to 6.3.16 (#654)

* chore(deps-dev): bump karma from 3.1.4 to 6.3.16

Bumps [karma](https://github.com/karma-runner/karma) from 3.1.4 to 6.3.16.
- [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/v3.1.4...v6.3.16)

---
updated-dependencies:
- dependency-name: karma
  dependency-type: direct:development
...

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

* chore: Update CircleCI config

Removing a couple extraneous CircleCI commands to see if they're still needed. I think one of the removed lines is causing #654 to fail, but let's see.

* chore: Update karma-browserify

* Revert "chore: Update CircleCI config"

This reverts commit c474be7433.

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: John Holdun <john@johnholdun.com>

package.json

@@ -83,8 +83,8 @@
     "jasmine-core": "^2.5.2",
     "jest": "^23.6.0",
     "jest-cli": "^23.6.0",
-    "karma": "^3.1.4",
-    "karma-browserify": "^6.0.0",
+    "karma": "^6.3.16",
+    "karma-browserify": "8.1.0",
     "karma-chrome-launcher": "^3.0.0",
     "karma-cli": "^2.0.0",
     "karma-jasmine": "^1.0.2",