Fixed
- `[services]` `blob` data type allows strings in input shapes ( reported by zacholade in 142 )
- `[services]` Removed unused `NotRequired` import
- `[boto3-stubs]` Cleaned up hardcoded default arguments
- `[boto3-stubs]` Replaced `type` with `Any` in argument types
- `[boto3-stubs]` Removed `TypedDict` exports from `resources.model`
- `[boto3-stubs]` Fixed subclassing of `BatchWriter`