Cfn-lint

Features
- New rule [I3100](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#I3100) to validate new generation instance types are used (pull [2267](https://github.com/aws-cloudformation/cfn-lint/pull/2267))
CloudFormation Specifications
- Update CloudFormation specs to `73.1.0` (pull [2275](https://github.com/aws-cloudformation/cfn-lint/pull/2275))
- Add `AWS::OpenSearchService::Domain.AccessPolicies` to IAM rules (pull [2269](https://github.com/aws-cloudformation/cfn-lint/pull/2269))
Fixes
- Reduce the calculated scenarios used when conditions match and one condition has many variants (pull [2277](https://github.com/aws-cloudformation/cfn-lint/pull/2277))
- Update SARIF output to point to the general "Rules" documentation when a rule doesn't specify a `source_url` (pull [2276](https://github.com/aws-cloudformation/cfn-lint/pull/2276))

CloudFormation Specifications
- Update CloudFormation specs to `72.0.0` (pull [2272](https://github.com/aws-cloudformation/cfn-lint/pull/2272))
Fixes
- Don't allow regex expressions that result in a warning (pull [2272](https://github.com/aws-cloudformation/cfn-lint/pull/2272))

Features
- Move null checks from the parsing engine into rules (pull [2242](https://github.com/aws-cloudformation/cfn-lint/pull/2242))
- Add rule [E4002](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E4002) to validate metadata config (pull [2242](https://github.com/aws-cloudformation/cfn-lint/pull/2242))
- Update rule [E2001](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E2001) to error on null values (pull [2242](https://github.com/aws-cloudformation/cfn-lint/pull/2242))
- Update rule [E3012](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3012) to validate for null values in properties (pull [2242](https://github.com/aws-cloudformation/cfn-lint/pull/2242))
CloudFormation Specifications
- Update CloudFormation specs to `69.0.0` (pull [2261](https://github.com/aws-cloudformation/cfn-lint/pull/2261))

CloudFormation Specifications
- Update CloudFormation specs to `66.1.0` (pull [2255](https://github.com/aws-cloudformation/cfn-lint/pull/2255))
Fixes
- Lambda runtime deprecation updates (python3.6) (pull [2252](https://github.com/aws-cloudformation/cfn-lint/pull/2252))
- Update rule [E3002](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3002) to consider a list as valid JSON (pull [2253](https://github.com/aws-cloudformation/cfn-lint/pull/2253))

Features
- Update `aws-sam-translator` to `1.45.0` (pull [2245](https://github.com/aws-cloudformation/cfn-lint/pull/2245))
- Remove dependency on `six` (pull [2204](https://github.com/aws-cloudformation/cfn-lint/pull/2204))
- New rule [E3504](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3504) to validate resources with `AWS::Backup::BackupPlan`. The property `DeleteAfterDays` cannot be less than 90 days from `MoveToColdStorageAfterDays` (pull [2230](https://github.com/aws-cloudformation/cfn-lint/pull/2230))
CloudFormation Specifications
- Update CloudFormation specs to `66.0.0` (pull [2245](https://github.com/aws-cloudformation/cfn-lint/pull/2245))

CloudFormation Specifications
- Update CloudFormation specs to `61.0.0` (pull [2232](https://github.com/aws-cloudformation/cfn-lint/pull/2232))
Fixes
- Update SAM Transform pre work to add `ImageUri` when using `Image` as `PackageType` in `AWS::Serverless::Function` (pull [2236](https://github.com/aws-cloudformation/cfn-lint/pull/2236))