fix(deps): update dependency mongoose to v8.18.2

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This PR contains the following updates:

Package	Change	Age	Confidence
mongoose (source)	8.18.1 -> 8.18.2

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Release Notes

Automattic/mongoose (mongoose)

v8.18.2

Compare Source

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• fix(document): prevent $clone() from converting mongoose arrays into vanilla arrays #​15633 #​15625
• fix(connection): use correct collection name for model when using useConnection() #​15637
• fix(connection): propagate changes to _lastHeartbeatAt to useDb() child connections #​15640 #​15635
• types: fix schema property type definition in SchemaType #​15631

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