Update dependency mongoose to v6.4.1

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mongoose (source)	`6.4.0` -> `6.4.1`

Release Notes

Automattic/mongoose

### [`v6.4.1`](https://togithub.com/Automattic/mongoose/blob/HEAD/CHANGELOG.md#641--2022-06-27) [Compare Source](https://togithub.com/Automattic/mongoose/compare/6.4.0...6.4.1) \================== - fix(schema): allow 0 for numbers if required and ref both set [#11912](https://togithub.com/Automattic/mongoose/issues/11912) - fix(query): skip applying default projections over slice projections [#11940](https://togithub.com/Automattic/mongoose/issues/11940) - fix(types): handle arrays in ApplyBasicQueryCasting correctly [#11964](https://togithub.com/Automattic/mongoose/issues/11964) - fix(types): fix $match typings [#11969](https://togithub.com/Automattic/mongoose/issues/11969) [andreialecu](https://togithub.com/andreialecu) - fix(types): avoid adding non-existent properties from model constructor for typegoose [#11960](https://togithub.com/Automattic/mongoose/issues/11960) - fix(types): make Mongoose UpdateQuery compatible with MongoDB `UpdateFilter` [#11911](https://togithub.com/Automattic/mongoose/issues/11911) - fix(types): simplify MergeType constraints [#11978](https://togithub.com/Automattic/mongoose/issues/11978) - fix(types): correct references to Buffer for [@types/node](https://togithub.com/types/node) >= 16.0.0 < 16.6.0 [#11963](https://togithub.com/Automattic/mongoose/issues/11963) - fix(types): re-add the possibility to pass undefined for projection in Model.find [#11965](https://togithub.com/Automattic/mongoose/issues/11965) [ghost91-](https://togithub.com/ghost91-) - fix(types): fix typo for indexes [#11953](https://togithub.com/Automattic/mongoose/issues/11953) [AbdelrahmanHafez](https://togithub.com/AbdelrahmanHafez) - fix(document+types): document merge option [#11913](https://togithub.com/Automattic/mongoose/issues/11913) - docs: update schematypes.md [#11981](https://togithub.com/Automattic/mongoose/issues/11981) [korzio](https://togithub.com/korzio) - docs: update validation.md [#11982](https://togithub.com/Automattic/mongoose/issues/11982) [korzio](https://togithub.com/korzio)