fix: upgrade jsii to 5.3.0

.projenrc.ts

@@ -18,7 +18,7 @@ const PS_PUBLICATION_NAMESPACE: string = 'aws';
 const PROJECT_NAME: string = 'sbt-aws';
 const PROJEN_VERSION: string = '0.80.18';
 const CDK_VERSION: string = '2.140.0';
-const JSII_VERSION: string = '~5.2.0';
+const JSII_VERSION: string = '~5.3.0';
 const CONSTRUCTS_VERSION: string = '10.0.5';
 const POINT_SOLUTIONS_CDK_VERSION: string = '2.123.0';
 const POINT_SOLUTIONS_LIB_PROJECT_NAME: string = 'sbt-point-solutions-lib';