chore(rds): support 8.4.3 engine version for Amazon RDS for MySQL

[mazyu36]

Add a new minor version.

Ref

• https://aws.amazon.com/about-aws/whats-new/2024/11/amazon-rds-for-mysql-8-4-lts-release/
• https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/MySQL.Concepts.VersionMgmt.html#MySQL.Concepts.VersionMgmt.Supported

% aws rds describe-db-engine-versions --engine mysql --query "DBEngineVersions[].EngineVersion" --output table --region us-east-1
--------------------------
|DescribeDBEngineVersions|
+------------------------+
|  5.7.44                |
|  5.7.44-rds.20240408   |
|  5.7.44-rds.20240529   |
|  5.7.44-rds.20240808   |
|  8.0.32                |
|  8.0.33                |
|  8.0.34                |
|  8.0.35                |
|  8.0.36                |
|  8.0.37                |
|  8.0.39                |
|  8.0.40                |
|  8.4.3                 |
+------------------------+

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.46%. Comparing base (9a4a245) to head (950def6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #32257   +/-   ##
=======================================
  Coverage   77.46%   77.46%           
=======================================
  Files         105      105           
  Lines        7168     7168           
  Branches     1314     1314           
=======================================
  Hits         5553     5553           
  Misses       1433     1433           
  Partials      182      182           

Flag	Coverage Δ
suite.unit	77.46% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	77.46% <ø> (ø)

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mazyu36]

@Mergifyio update

[mergify]

update

☑️ Nothing to do

• #commits-behind > 0 [📌 update requirement]
• queue-position = -1 [📌 update requirement]
• -closed [📌 update requirement]
• -conflict [📌 update requirement]

[mazyu36]

@Mergifyio refresh

[mergify]

refresh

✅ Pull request refreshed

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 950def6
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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