docs(servicecatalogappregistry-alpha): fix typo (#33030)

### Issue # (if applicable)

None

### Reason for this change

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*

Author: andyu17

packages/@aws-cdk/aws-servicecatalogappregistry-alpha/lib/common.ts

@@ -62,7 +62,7 @@ export interface ShareOptions {
 }
 
 /**
- * Generates a unique hash identfifer using SHA256 encryption algorithm.
+ * Generates a unique hash identifier using SHA256 encryption algorithm.
  */
 export function hashValues(...values: string[]): string {
   const sha256 = crypto.createHash('sha256');