Mypy-boto3

Changed
- `[botocore-stubs]` Is no longer generated, moved to [botocore-stubs](https://github.com/youtype/botocore-stubs) repository

Fixed
- `[types-aiobotocore]` Invalid imports in `httpsession` module

Fixed
- `[boto3-stubs]` No longer provides a module interface
- `[botocore-stubs]` No longer provides a module interface
- `[lambda]` `InvocationResponseTypeDef` hack removed, now correctly parsed as a response structure (reported by mew1033 in 159)
- `[sqs]` `AttributeNames` argument in many methods accepted wrong values due to a bug in `botocore` (reported by ngnpope in 158)
- `[builder]` Generated `setup.py` files have proper docstrings

Fixed
- `[types-aiobotocore]` `boto3.dynamodb.conditions.ConditionBase` import no longer fails if `boto3` is not installed

Notes

We are so close to **3 million** monthly downloads! To make this challenge a bit harder, this version drops outdated `py36` support. For good. It is now gone, it is not coming back. Please upgrade. I mean it.

Thank you as always for your bug reports and feature requests!

Changed
- `[boto3-stubs]` Dropped `py36` support
- `[types-aiobotocore]` Dropped `py36` support
- `[types-aioboto3]` Dropped `py36` support
- `[builder]` Added `LICENSE` file to all packages

Fixed
- `[botocore-stubs]` Removed `ETree` imports
- `[types-aiobotocore]` Imports from `boto3` and `aioboto3` are now safe in case libraries are not installed
- `[types-aioboto3]` Use `AIOBoto3ServiceResource` as a base class instead of `ServiceResource`
- `[types-aioboto3]` Use `AIOResourceCollection` as a base class instead of `ResourceCollection`

Fixed
- `[boto3-stubs]` `boto3.s3.transfer.create_transfer_manager` annotation was invalid (reported by kveretennicov in 156)
- `[types-s3transfer]` `fileobj` allows `IO | str | bytes` in all methods and functions (reported by kveretennicov in 155)
- `[boto3-stubs]` Removed useless `type: ignore` statements

Fixed
- `[types-aioboto3]` Lite version `Session.client` annotation was incorrect
- `[types-aiobotocore]` `args.ClientArgsCreator` annotation violated LSP
- `[types-aiobotocore]` `signers.AioS3PostPresigner` annotation violated LSP
- `[types-botocore]` Various small inconsistencies in annotations
- `[docs]` `Boto3 IDE` and `conda-forge` installation instructions removed from packages that do not support it