CloudFormation Specifications
- Update resource specs to `28.1.0` (pull [1905](https://github.com/aws-cloudformation/cfn-python-lint/pull/1905))
Fixes
- Update `aws-sam-translator` to `1.34.0` (pull [1910](https://github.com/aws-cloudformation/cfn-python-lint/pull/1910))
- Return two errors when finding duplicates in the decode phase (pull [1900](https://github.com/aws-cloudformation/cfn-python-lint/pull/1900))