Upgrade mysql jdbc version to 8.4.0

[turboFei]

🔍 Description

Issue References 🔗

Fix CVE: GHSA-m6vm-37g8-gqvh

Describe Your Solution 🔧

Upgrade to 8.4.0, the latest 8.x version.

Types of changes 🔖

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Test Plan 🧪

Behavior Without This Pull Request ⚰️

Behavior With This Pull Request 🎉

Related Unit Tests

GA.

Checklist 📝

• This patch was not authored or co-authored using Generative Tooling

Be nice. Be informative.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (c391d16) to head (954d3c9).
Report is 3 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #6818   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files         687     687           
  Lines       42442   42442           
  Branches     5793    5793           
======================================
  Misses      42442   42442           

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[pan3793]

is there any guarantee statement for MySQL JDBC driver and MySQL server compatibility? AFAIK, MySQL 8.0 is the most popular LTS version which runs in prod at the current time.