chore(deps): update dependency mongodb-memory-server to v6.7.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mongodb-memory-server	devDependencies	patch	6.7.0 -> 6.7.1

---

Release Notes

nodkz/mongodb-memory-server

### [`v6.7.1`](https://togithub.com/nodkz/mongodb-memory-server/blob/master/CHANGELOG.md#​671-httpsgithubcomnodkzmongodb-memory-servercomparev670v671-2020-09-09) [Compare Source](https://togithub.com/nodkz/mongodb-memory-server/compare/v6.7.0...v6.7.1) ##### Bug Fixes - **MongoBinaryDownload:** print used URL in 404 Error ([788c12d](https://togithub.com/nodkz/mongodb-memory-server/commit/788c12d38dc5308f58a4379e7496960dbb454c08))

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Enabled.

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

:no_bell: 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 has been generated by WhiteSource Renovate. View repository job log here.

[coveralls]

Pull Request Test Coverage Report for Build 1377

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 94.531%

---

Totals
Change from base Build 1371:	0.0%
Covered Lines:	89
Relevant Lines:	93

---

💛 - Coveralls