docs(ec2): fix typo (#33289)

### Issue # (if applicable)

None

### Description of changes

Fixed typo in code comment.

### 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-ec2/lib/client-vpn-endpoint.ts

@@ -265,7 +265,7 @@ export interface ClientVpnEndpointAttributes {
 }
 
 /**
- * A client VPN connnection
+ * A client VPN connection
  */
 export class ClientVpnEndpoint extends Resource implements IClientVpnEndpoint {
   /**