fix(serverless): rename aws-serverless to aws-sam

[sam-goodwin]

BREAKING CHANGE: renamed aws-serverless to aws-sam

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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
• Title and Description
  • Change type: title prefixed with fix, feat 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.

[rix0rrr]

Again??

[rix0rrr]

My diff only shows 1 file removed from this package. Is that right?

[sam-goodwin]

The rest were identified as renamed. I changed the content of the README so that's why it shows up as removed, or so I assume.

[jogold]

These should also be updated:
https://github.com/awslabs/aws-cdk/blob/0de2206f8ba324fbfe0a3685eb5a406d17f8a422/packages/%40aws-cdk/aws-rds/package.json#L69

https://github.com/awslabs/aws-cdk/blob/0de2206f8ba324fbfe0a3685eb5a406d17f8a422/packages/%40aws-cdk/aws-rds/lib/rotation-single-user.ts#L4

[eladb]

Damn we forgot #2092