chore(cfnspec): update CFN specification to 3.0.0

[skinny85]

I had to remove the AWS::FSx::FileSystem.TagEntry property type and the AWS::EC2::TrunkInterfaceAssociation resource type, as they were removed from the spec.

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Pull Request Checklist

• Testing
  • Unit test added (prefer not to modify an existing test, otherwise, it's probably a breaking change)
  • CLI change?: coordinate update of integration tests with team
  • cdk-init template change?: coordinated update of integration tests with team
• Docs
  • jsdocs: All public APIs documented
  • README: README and/or documentation topic updated
  • Design: For significant features, design document added to design folder
• Title and Description
  • Change type: title prefixed with fix, feat and module name in parens, which will appear in changelog
  • Title: use lower-case and doesn't end with a period
  • Breaking?: last paragraph: "BREAKING CHANGE: <describe what changed + link for details>"
  • Issues: Indicate issues fixed via: "Fixes #xxx" or "Closes #xxx"
• Sensitive Modules (requires 2 PR approvers)
  • IAM Policy Document (in @aws-cdk/aws-iam)
  • EC2 Security Groups and ACLs (in @aws-cdk/aws-ec2)
  • Grant APIs (only if not based on official documentation with a reference)

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license.

[eladb]

You will need to add RefKinds for the new resource types.

[skinny85]

You will need to add RefKinds for the new resource types.

I did...? https://github.com/awslabs/aws-cdk/pull/2492/files?file-filters%5B%5D=.json#diff-bfa54cf951f85384b1d18281bf3813d6R4671

[eladb]

I believe this should be just name

[skinny85]

Changed.