[Snyk] Security upgrade mongoose-encryption from 1.5.0 to 2.0.1

[kmaida]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

 #### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - package.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **768/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 7.5 | Prototype Pollution
[SNYK-JS-ASYNC-2441827](https://snyk.io/vuln/SNYK-JS-ASYNC-2441827) | Yes | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: mongoose-encryption

The new version differs by 31 commits.

• 4595cc3 2.0.1
• a22eb88 Upgrade dependencies (#80)
• 027a697 Release notes for 2.0.0
• e887f78 2.0.0
• 06c68cd Decrypt children using encryptedChildren plugin (#79)
• 3d28a88 Remove Mongoose version conditionals
• 4add461 Merge branch 'master' of github.com:joegoldbeck/mongoose-encryption
• 953c5eb Merge commits from @ yelworc and @ colinhemphill
• e41d10f Merge commits from @ yelworc and @ colinhemphill
• 8d79fe4 Drop Mongoose v3 & v4 support
• 818b309 Start 2.0.0-draft
• 1115b75 Add Node LTS to travis.yml
• 5a6f92f Add badge to README
• 2423787 Adjust and add badges
• bf53323 Add Node 4 to travis. Add build icon
• 4dd5690 Remove Mongoose 3.x support
• 1fda806 Merge branch 'master' of github.com:joegoldbeck/mongoose-encryption
• dd962ff Restrict mongoose versions
• ae3d0c9 Update .travis.yml
• 806d96a Create .travis.yml
• 196f046 Delete travis.yml
• 2e99ca6 Create travis.yml
• 5061ab3 Fix up a few unit tests
• bc41534 More Mongoose 5 compatibility fixes

See the full diff

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