fix(deps): update mongodb to v5.1.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.mongodb:mongodb-driver-kotlin-coroutine (source)	5.1.1 -> 5.1.2
org.mongodb:bson-kotlin (source)	5.1.1 -> 5.1.2
org.mongodb:mongodb-driver-reactivestreams (source)	5.1.1 -> 5.1.2

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[github-actions]

Code Coverage

Total Project Coverage	85.54%	✅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.80%. Comparing base (2cb5cca) to head (791a582).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #514   +/-   ##
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  Coverage   81.80%   81.80%           
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  Files          80       80           
  Lines        2308     2308           
  Branches      148      148           
=======================================
  Hits         1888     1888           
  Misses        321      321           
  Partials       99       99           

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