[Snyk] Security upgrade mongoose from 5.10.5 to 5.12.3

[snyk-bot]

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:
  • backend/package.json
  • backend/package-lock.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-MQUERY-1089718	No	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: mongoose

The new version differs by 250 commits.

• f8d2721 chore: release 5.12.3
• 58cad73 fix(connection): use queueing instead of event emitter for `createCollection()` and other helpers to avoid event emitter warning
• 5382408 fix(index.d.ts): add `transform` to PopulateOptions interface
• dca1d70 Merge branch 'master' of github.com:Automattic/mongoose
• 2648088 fix(index.d.ts): add DocumentQuery type for backwards compatibility
• 966770f Merge pull request #10063 from Automattic/gh-10044
• 9e4a083 style: fix lint
• f3cd3a8 chore: use variable instead of function
• f24953c fix(query): add `writeConcern()` method to avoid writeConcern deprecation warning
• 7d2e9c9 chore: upgrade mquery -> 3.2.5 re: Security Fix for Prototype Pollution - huntr.dev mongoosejs/mquery#121
• d1a9a1e made requested changes
• cf1b666 Merge pull request #10078 from pezzu/master
• 2aef528 Merge pull request #10062 from Automattic/gh-10025
• 452c77c Fixes #10072
• c9bfb30 Update model.indexes.test.js
• 6f0133a removed comments
• 9e98cd8 Merge pull request #10055 from emrebass/patch-1
• 1c20044 Merge pull request #10054 from coro101/add-discriminator-type
• 4e74ea7 TIL that includes() is also not supported in all browsers
• f231d7b should work and is designed to handle multiple text fields
• c4897f9 TIL Object.values in not supported on all browsers
• 391ecec collation not added to text indexes
• 7a93c16 linter fix
• 6deb668 fix: connection ids are now scoped

See the full diff

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