Lambda function examples: fix handler error code typo.

Issue #, if available:

Description of changes: Lambda function examples: fix handler error code typo: setting it to InternalFailure in some example Lambda functions.

Ran sam local invoke to quickly check the overall runs of the target, example functions where the error code above is updated with this pull request:

% sam local invoke --event event-success.json
Invoking com.awssamples.s3versioningenabled.App::handleRequest (java17)
[...]
{"callbackDelaySeconds": 0, "errorCode": null, "callbackContext": {}, "message": "Versioning is enabled for the S3 bucket.", "status": "SUCCESS"}

% sam local invoke --event event-success.json
Invoking index.handler (nodejs20.x)
[...]
{"status": "SUCCESS", "errorCode": null, "message": "Versioning is enabled for the S3 bucket.", "callbackContext": null, "callbackDelaySeconds": 0}

% sam local invoke --event event-success.json
Invoking lambda_function.lambda_handler (python3.12)
[...]
{"status": "SUCCESS", "errorCode": null, "message": "Versioning is enabled for the S3 bucket.", "callbackContext": null, "callbackDelaySeconds": 0}

% sam local invoke --event event-success.json
Invoking lambda_function.lambda_handler (ruby3.2)
[...]
{"status": "SUCCESS", "errorCode": null, "message": "Versioning is enabled for the S3 bucket.", "callbackContext": null, "callbackDelaySeconds": 0}

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aws-cloudformation / aws-cloudformation-samples

Lambda function examples: fix handler error code typo. #104