- Update to 1.20.0, summary of the changes:
###### Features
* Switch from `awsType` to `cfnLint` @kddejong
* Add `dependentExcluded` keyword to json schema validation
* Add `requiredXor` keyword to json schema validation
* Allow for integration the configuration of additional registry schemas
* Add in `enum` values from botocore
* Add many JSON schemas to provide additional validation
* Add json schema for CW Alarm period when in the AWS namespace
* Include launch template security group schema
##### Fixes
* Enhanced monitoring can be configured on aurora clusters
* Update `Fn::FindInMap` resolver to handle `Ref` to psedueparams
* Create a new jsonschema keyword `enumCaseInsensitive`
* Add `additionalProperties` false to IAM conditions
* Expand boto auto detection to include sub properties
* Add logic for `AWS::EC2::Subnet.Id` format
* Update language extensions `Fn::ForEach` for empty lists
* Support Python 3.13
* Make an exception for DocDB Cluster Port return type
* Dynamically determine Account ID during transform
* Move `requireXor` to `SpotFleetRequestConfigData`
* Bring back stateful resources json
* Add `MinActiveInstancesPercent` to `AutoScalingRollingUpdate`
* Update `requiredXor` for Vpc and Subnets
* Exception for lambda authorizer uri
* Allow for secretsmanager dynamic refs in `Parameter` defaults
* Move KMS validation for `SSESpecification` on Tables
* Return Symbol instead of None on Fn::Equals logic
* Remove handlers and tagging/permissions from specs