chore(rds): add missing RDS instance engine versions for PostgreSQL, MySQL, and SQL Server

[mazyu36]

Add the instance engines that were added in the following updates.

PostgreSQL

Amazon RDS for PostgreSQL supports minor versions 16.4, 15.8, 14.13, 13.16, and 12.20

• 16.4 was added in chore(rds): added Postgres 16.4 version #31088

MySQL

Amazon RDS for MySQL supports new minor version 8.0.39

• Note: 8.0.38 does not exist (Ref).

SQL Server

Amazon RDS for SQL Server supports minor versions 2016 GDR, 2017 CU31 GDR, 2019 GDR, 2022 GDR
Amazon RDS for SQL Server supports minor version 2019 CU27

• The exact engine names were obtained using the following command:

% aws rds describe-db-engine-versions --engine sqlserver-ee --query 'DBEngineVersions[*].EngineVersion' --output table --region us-east-1

// result

--------------------------
|DescribeDBEngineVersions|
+------------------------+
// omit
|  13.00.6441.1.v1       |
// omit
|  14.00.3471.2.v1       |
// omit
|  15.00.4375.4.v1       |
|  15.00.4382.1.v1       |
// omit
|  16.00.4131.2.v1       |
+------------------------+

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

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• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: b3e8de8
• Result: SUCCEEDED
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