Updates the L1 CloudFormation resource definitions with the latest changes from `@aws-cdk/aws-service-spec`

**L1 CloudFormation resource definition changes:**
```
├[~] service aws-cloudformation
│ └ resources
│    └[~] resource AWS::CloudFormation::StackSet
│      └ types
│         └[~] type DeploymentTargets
│           └ properties
│              └ AccountFilterType: (documentation changed)
├[~] service aws-codepipeline
│ └ resources
│    └[~] resource AWS::CodePipeline::Webhook
│      ├ properties
│      │  └ Authentication: (documentation changed)
│      └ types
│         └[~] type WebhookAuthConfiguration
│           └ properties
│              └ SecretToken: (documentation changed)
├[~] service aws-ec2
│ └ resources
│    ├[~] resource AWS::EC2::EC2Fleet
│    │ └ types
│    │    └[~] type FleetLaunchTemplateOverridesRequest
│    │      └ properties
│    │         └ WeightedCapacity: (documentation changed)
│    └[~] resource AWS::EC2::SpotFleet
│      └ types
│         ├[~] type LaunchTemplateOverrides
│         │ └ properties
│         │    └ WeightedCapacity: (documentation changed)
│         └[~] type SpotFleetLaunchSpecification
│           └ properties
│              └ WeightedCapacity: (documentation changed)
├[~] service aws-elasticloadbalancingv2
│ └ resources
│    └[~] resource AWS::ElasticLoadBalancingV2::TargetGroup
│      └ types
│         └[~] type TargetGroupAttribute
│           └ properties
│              └ Key: (documentation changed)
├[~] service aws-emr
│ └ resources
│    ├[~] resource AWS::EMR::Cluster
│    │ └ properties
│    │    └ AutoTerminationPolicy: (documentation changed)
│    ├[~] resource AWS::EMR::SecurityConfiguration
│    │ └ properties
│    │    └ SecurityConfiguration: (documentation changed)
│    └[~] resource AWS::EMR::WALWorkspace
│      ├  - documentation: A WAL workspace is a logical container of write-ahead logs (WALs). All WALs in Amazon EMR WAL are encapsulated by a WAL workspace.
│      │  + documentation: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-emr-walworkspace.html
│      └ properties
│         ├ Tags: (documentation changed)
│         └ WALWorkspaceName: (documentation changed)
├[~] service aws-glue
│ └ resources
│    └[~] resource AWS::Glue::Job
│      └ properties
│         └ GlueVersion: (documentation changed)
├[~] service aws-guardduty
│ └ resources
│    └[~] resource AWS::GuardDuty::MalwareProtectionPlan
│      └ properties
│         └ Role: (documentation changed)
└[~] service aws-rds
  └ resources
     ├[~] resource AWS::RDS::DBCluster
     │ ├ properties
     │ │  └ PubliclyAccessible: (documentation changed)
     │ └ types
     │    └[~] type MasterUserSecret
     │      └ properties
     │         └ SecretArn: (documentation changed)
     └[~] resource AWS::RDS::DBInstance
       ├ attributes
       │  └ MasterUserSecret.SecretArn: (documentation changed)
       └ types
          └[~] type MasterUserSecret
            └ properties
               └ SecretArn: (documentation changed)
```