chore(rds): add version 8.0.37 for RDS for MySQL (#30649)

Add new minor version.
Ref: https://aws.amazon.com/about-aws/whats-new/2024/06/amazon-rds-mysql-new-minor-version-8-0-37/

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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

packages/aws-cdk-lib/aws-rds/lib/instance-engine.ts

@@ -882,6 +882,8 @@ export class MysqlEngineVersion {
   public static readonly VER_8_0_35 = MysqlEngineVersion.of('8.0.35', '8.0');
   /** Version "8.0.36". */
   public static readonly VER_8_0_36 = MysqlEngineVersion.of('8.0.36', '8.0');
+  /** Version "8.0.37". */
+  public static readonly VER_8_0_37 = MysqlEngineVersion.of('8.0.37', '8.0');
 
   /**
    * Create a new MysqlEngineVersion with an arbitrary version.