chore(servicecatalogappregistry-alpha): fix typos (#32856)

### Issue # (if applicable)

N/A

### Reason for this change

Fixed typos in code comments.

### 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/aws-servicecatalogappregistry-alpha/lib/application.ts

@@ -80,7 +80,7 @@ export interface IApplication extends cdk.IResource {
   associateStack(stack: cdk.Stack): void;
 
   /**
-   * Associate a Cloudformation statck with the application in the given stack.
+   * Associate a Cloudformation stack with the application in the given stack.
    *
    * @param stack a CFN stack
    */