chore(deps): update dependency karma-junit-reporter to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
karma-junit-reporter	1.2.0 -> 2.0.1

---

Release Notes

karma-runner/karma-junit-reporter (karma-junit-reporter)

### [`v2.0.1`](https://redirect.github.com/karma-runner/karma-junit-reporter/blob/HEAD/CHANGELOG.md#201-2019-10-07) [Compare Source](https://redirect.github.com/karma-runner/karma-junit-reporter/compare/v2.0.0...v2.0.1) #### [2.0.1](https://redirect.github.com/karma-runner/karma-junit-reporter/compare/v2.0.0...v2.0.1) (2019-10-07) ### [`v2.0.0`](https://redirect.github.com/karma-runner/karma-junit-reporter/blob/HEAD/CHANGELOG.md#200-2019-10-07) [Compare Source](https://redirect.github.com/karma-runner/karma-junit-reporter/compare/v1.2.0...v2.0.0) ##### Bug Fixes - allow special characters and emoji in output ([59fd3c6](https://redirect.github.com/karma-runner/karma-junit-reporter/commit/59fd3c6)) ##### Chores - **travis:** Drop old nodejs version: NO v10 ([#​164](https://redirect.github.com/karma-runner/karma-junit-reporter/issues/164)) ([bc07177](https://redirect.github.com/karma-runner/karma-junit-reporter/commit/bc07177)) - remove support for node 6 ([435cb5e](https://redirect.github.com/karma-runner/karma-junit-reporter/commit/435cb5e)) ##### Features - support for new XML format (per SonarQube) ([b0984e0](https://redirect.github.com/karma-runner/karma-junit-reporter/commit/b0984e0)) ##### BREAKING CHANGES - Drop Support for Node 6, to make it possible to use async/await in karma codebase. - **travis:** no support for node < 6 - node 10 not supported by libxmljs-mt

---

Configuration

📅 Schedule: Branch creation - "before 4am on Monday" in timezone America/New_York, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[edx-pipeline-bot]

2U Release Notice: This PR has been deployed to the edX staging environment in preparation for a release to production.

[edx-pipeline-bot]

2U Release Notice: This PR has been deployed to the edX production environment.

[edx-pipeline-bot]

2U Release Notice: This PR has been deployed to the edX production environment.