feat(deps): demand at least cdk 2.188.0 [INFRA-33946] (#121)

Author: ahammond

.projen/deps.json

@@ -7,11 +7,10 @@ const peerDeps = ['constructs@^10.0.5', 'multi-convention-namer@^0.1.12'];
 const project = new clickupCdk.ClickUpCdkConstructLibrary({
   name: '@time-loop/cdk-aurora',
 
-  cdkVersion: '2.118.0', // https://github.com/aws/aws-cdk/pull/28508 Aurora PG v15.5
+  cdkVersion: '2.188.0',
   defaultReleaseBranch: 'main',
   licensed: true,
   packageManager: javascript.NodePackageManager.PNPM,
-  pnpmVersion: '9',
 
   bundledDeps,
   deps: [...bundledDeps],