chore: typo fixes (#29475)

### Issue # (if applicable)

Closes #<issue number here>.

### Reason for this change



### Description of changes



### Description of how you validated changes



### Checklist
- [ ] 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)

----

*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/commands/migrate.ts

@@ -830,7 +830,7 @@ export class CfnTemplateGeneratorProvider {
     }).promise();
 
     if (createTemplateOutput.GeneratedTemplateId === undefined) {
-      throw new Error('CreateGeneratedTemplate failed to retrun an Arn.');
+      throw new Error('CreateGeneratedTemplate failed to return an Arn.');
     }
     return createTemplateOutput;
   }

packages/cdk-assets/test/private/docker-credentials.test.ts

@@ -104,7 +104,7 @@ describe('fetchDockerLoginCredentials', () => {
   });
 
   describe('SecretsManager', () => {
-    test('returns the credentials sucessfully if configured correctly - domain', async () => {
+    test('returns the credentials successfully if configured correctly - domain', async () => {
       mockSecretWithSecretString({ username: 'secretUser', secret: 'secretPass' });
 
       const creds = await fetchDockerLoginCredentials(aws, config, 'secret.example.com');