Cfn-lint

Features
- Add `--build-graph` parameter to create a graph of dependencies (pull [1411](https://github.com/aws-cloudformation/cfn-python-lint/pull/1411))
CloudFormation Specifications
- Update CloudFormation specs to 12.1.0 (pull [1455](https://github.com/aws-cloudformation/cfn-python-lint/pull/1455))
Fixes
- Add `found unknown escape character` to start of err problem to determine when to use json parsing (pull [1454](https://github.com/aws-cloudformation/cfn-python-lint/pull/1454))

CloudFormation Specifications
- Update CloudFormation specs to 12.0.0 (pull [1448](https://github.com/aws-cloudformation/cfn-python-lint/pull/1448))
Fixes
- Add region `ca-central-1d` (pull [1447](https://github.com/aws-cloudformation/cfn-python-lint/pull/1447))

Fixes
- Update exceptions in rule [E1029](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1029) to include `BuildSpec` (pull [1444](https://github.com/aws-cloudformation/cfn-python-lint/pull/1444))

Features
- Switch DB Instance Engine check from [E3030](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3030) to [E3040](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3040) so the comparison is case insensitive (pull [1441](https://github.com/aws-cloudformation/cfn-python-lint/pull/1441))
CloudFormation Specifications
- Update CloudFormation specs to 11.6.0 (pull [1433](https://github.com/aws-cloudformation/cfn-python-lint/pull/1433))
- Add `ruby2.7` to supported list of ruby runtimes (pull [1436](https://github.com/aws-cloudformation/cfn-python-lint/pull/1436))
Fixes
- Update regex in rule [E1029](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E1029) to be more optimal and not hang on large strings (pull [1430](https://github.com/aws-cloudformation/cfn-python-lint/pull/1430))

Features
- Update SAM Translator package to 1.21.0 (pull [1406](https://github.com/aws-cloudformation/cfn-python-lint/pull/1406))
- Update rule [E3027](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3027) to check that either Day of Month or Day of Week is a question mark (pull [1405](https://github.com/aws-cloudformation/cfn-python-lint/pull/1405))
- New rule [E3029](https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/rules.md#E3029) to check `AWS::RDS::DBInstance` `Aurora` databases don't have certain properties (pull [1409](https://github.com/aws-cloudformation/cfn-python-lint/pull/1409))
- Build a resource graph for checking circular dependencies (pull [1391](https://github.com/aws-cloudformation/cfn-python-lint/pull/1391))
CloudFormation Specifications
- Update Exclusive and Only One specs to include additional rules around Security Group Rules (pull [1407](https://github.com/aws-cloudformation/cfn-python-lint/pull/1407))
- Update CloudFormation specs to 11.5.0 (pull [1416](https://github.com/aws-cloudformation/cfn-python-lint/pull/1416))
- Patch spec so that TTL is Long on Route53 Change Record Sets (pull [1417](https://github.com/aws-cloudformation/cfn-python-lint/pull/1417))

CloudFormation Specifications
- Update CloudFormation specs to 11.4.0 (pull [1403](https://github.com/aws-cloudformation/cfn-python-lint/pull/1403))
Fixes
- Properly display yaml parse errors when the error was a tab (pull [1402](https://github.com/aws-cloudformation/cfn-python-lint/pull/1402))