Cfn-lint

Features
- Add `--force` option on `--update-specs` so cache isn't used (pull [2334](https://github.com/aws-cloudformation/cfn-lint/pull/2334))
- Add support for Python 3.10 (pull [2365](https://github.com/aws-cloudformation/cfn-lint/pull/2365))
CloudFormation Specifications
- Update CloudFormation specs to `88.0.0` (pull [2361](https://github.com/aws-cloudformation/cfn-lint/pull/2361))
Fixes
- Add in `mypy` testing and do a bunch of cleanup based on the results (pull [2328](https://github.com/aws-cloudformation/cfn-lint/pull/2328))
- Update rule [I1022](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#I1022) to not suggest `Fn::Sub` on complext `Fn::Join`s (pull [2364](https://github.com/aws-cloudformation/cfn-lint/pull/2364))

Fixes
- Make `me-central-1` `ExtendedSpecs` a module (pull [2359](https://github.com/aws-cloudformation/cfn-lint/pull/2359))

Features
- Update `jsonschema` to be able to use version 3.0 and 4.0 (pull [2336](https://github.com/aws-cloudformation/cfn-lint/pull/2336))
- Remove support for python 3.6 and add python 3.9 (pull [2347](https://github.com/aws-cloudformation/cfn-lint/pull/2347))
CloudFormation Specifications
- Update CloudFormation specs to `87.0.0` (pull [2353](https://github.com/aws-cloudformation/cfn-lint/pull/2353))
- Add support for region `me-central-1` (pull [2351](https://github.com/aws-cloudformation/cfn-lint/pull/2351))
Fixes
- Disable the SAM validation checks when transforming a template (pull [2350](https://github.com/aws-cloudformation/cfn-lint/pull/2350))

CloudFormation Specifications
- Patch in attributes for `AWS::RDS::DBCluster` (pull [2344](https://github.com/aws-cloudformation/cfn-lint/pull/2344))

CloudFormation Specifications
- Update CloudFormation specs to `86.0.0` (pull [2335](https://github.com/aws-cloudformation/cfn-lint/pull/2335))

Features
- support for AWS::LanguageExtensions transform features including DeletionPolicy, UpdateReplacePolicy, Fn::Length and Fn::ToJsonString [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference.html) (pull #[2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))
- Add rule [E1030](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1030) to validate Fn::Length is configured correctly (pull [2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))
- Add rule [E1031](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1030) to validate Fn::Length is configured correctly (pull [2339](https://github.com/aws-cloudformation/cfn-lint/pull/2339))