Bump mongoose from 5.6.6 to 5.6.8

[dependabot-preview]

Bumps mongoose from 5.6.6 to 5.6.8.

Changelog

Sourced from mongoose's changelog.

5.6.8 / 2019-08-02

• fix(aggregate): allow modifying pipeline in pre('aggregate') hooks #8017
• fix(query): make findOneAndReplace() work with orFail() #8030
• fix(document): allow saving an unchanged document if required populated path is null #8018
• fix(debug): support disabling colors in debug mode #8033 Mangosteen-Yang
• docs: add async-await guide #8028 Rossh87
• docs(plugins): rewrite plugins docs to be more modern and not use strange = exports syntax #8026
• docs(transactions): clarify relationship between session in docs and MongoDB driver ClientSession class, link to driver docs #8009

5.6.7 / 2019-07-26

• fix(document): support validators on nested arrays #7926
• fix(timestamps): handle timestamps: false in child schema #8007
• fix(query): consistently support new option to findOneAndX() as an alternative to returnOriginal #7846
• fix(document): make inspect() never return null, because a document or nested path is never == null #7942
• docs(query+lean): add links to mongoose-lean-virtuals, mongoose-lean-getters, mongoose-lean-defaults #5606
• docs: add example for Schema#pre(Array) #8022 Mangosteen-Yang
• docs(schematype): updated comment from Schema.path to proper s.path #8013 chrisweilacker
• chore: upgrade nyc #8015 kolya182

Commits

• bd03c4d chore: release 5.6.8
• 6fd4975 chore: add ehic cards as opencollective sponsor
• 01b182e refactor: handle arrays underneath mixed paths for #6405
• 4b2f770 Merge pull request #8033 from Mangosteen-Yang/new-feature-#6403
• f58c45f fix(document): allow saving an unchanged document if required populated path ...
• c698590 test(document): repro #8018
• eced064 docs(transactions): clarify relationship between session in docs and MongoD...
• c8e270e docs(plugins): rewrite plugins docs to be more modern and not use strange `= ...
• f4aaa9c test: fix tests
• 9db4857 fix(query): make findOneAndReplace() work with orFail()
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot ignore this [patch|minor|major] version will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it). To ignore the version in this PR you can just close it
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.

[dependabot-preview]

Superseded by #103.