chore: update dependency loopback-connector-mongodb to ^6.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
loopback-connector-mongodb	^6.2.0 -> ^6.3.0

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Release Notes

loopbackio/loopback-connector-mongodb (loopback-connector-mongodb)

### [`v6.3.0`](https://redirect.github.com/loopbackio/loopback-connector-mongodb/compare/v6.2.0...v6.3.0) [Compare Source](https://redirect.github.com/loopbackio/loopback-connector-mongodb/compare/v6.2.0...v6.3.0)

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