fix(deps): update dependency mysql2 to v3.15.3

[abrain-bot]

This PR contains the following updates:

Package	Type	Update	Change
mysql2 (source)	dependencies	minor	3.14.1 -> 3.15.3

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Release Notes

sidorares/node-mysql2 (mysql2)

v3.15.3

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Bug Fixes

• skip SNI for IP addresses in TLS connection (#​3835) (6000eb2)

v3.15.2

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Bug Fixes

• fix sha256_password to work correctly over a TLS connection (#​3809) (fb9eae1)

v3.15.1

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Bug Fixes

• typings: missing callback to PoolCluster.end() (#​3819) (53a9bc2)

v3.15.0

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Features

• gracefully end pool connections #​3148 (#​3776) (e72247f)

v3.14.5

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Bug Fixes

• types: restrict StreamOptions.objectMode to true (#​3686) (#​3784) (c091f1b)

v3.14.4

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Bug Fixes

• destroy connection when stream errors (#​3769) (cc34a83)
• fix backpressure when using TLS (#​1752) (64ea4cd)
• stream: resume connection when stream errors or is destroyed (#​3775) (9642a1e)

v3.14.3

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Bug Fixes

• resolve parser cache collision with dual typeCast connections (#​3644) (ce2ad75)

v3.14.2

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Bug Fixes

• pass columnType to readDateTimeString (#​3700) (1ee48cc)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.33%. Comparing base (fc45046) to head (0702bd5).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #273   +/-   ##
========================================
  Coverage    56.33%   56.33%           
========================================
  Files          102      102           
  Lines         1555     1555           
  Branches       209      209           
========================================
  Hits           876      876           
  Misses         659      659           
  Partials        20       20           

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