fix: s3 resource fails in amplify push for too-long bucket name

[kunal-arora]

Description of changes

Fix: Remove 63 character length validation

Thanks @ykethan

Issue #, if available

#13364

Description of how you validated changes

Added a unit test for it

Checklist

• [ ] PR description included
• [ ] yarn test passes
• [ ] Tests are changed or added
• [ ] Relevant documentation is changed or added (and PR referenced)
• [ ] New AWS SDK calls or CloudFormation actions have been added to relevant test and service IAM policies
• [ ] Pull request labels are added

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