chore: update dependency bson to ^7.3.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
bson	^7.2.0 → ^7.3.0

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Release Notes

mongodb/js-bson (bson)

v7.3.0

Compare Source

Features

• NODE-7069: deprecate Long members inapplicable to Timestamp (#​887) (c5d1dd8)

Bug Fixes

• NODE-5937: rewrite deserializeObject as iterative, not recursive (#​886) (0231603)
• NODE-7354: eagerly make Binary sub_type into a number (#​858) (5b42c5a)
• NODE-7436: EJSON.stringify type signature (#​870) (c949780)
• NODE-7575: reset ObjectId state when building startup snapshot (#​884) (ba29d33)
• NODE-7606: restore serializer performance by removing generator-based iteration (#​890) (7c4d1aa)
• NODE-7618: propagate serializing flags to the parsing frames (#​891) (a7cee8c)
• NODE-7619: reject embedded BSON document sizes below minimum valid length (#​892) (b43c657)

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