Prepare for GA

[danielrbradley]

• Rename provider from "AWS Native" to "AWS Native Cloud Control"
• Reword readme to remove "preview" mentions.

Related to:

• Rename AWS Native provider -> AWS Cloud Control on *.pulumi.com #1226

[github-actions]

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 23.40%. Comparing base (b46b6fb) to head (dcca10c).
Report is 1 commits behind head on master.

Files	Patch %	Lines
provider/pkg/schema/gen.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1398   +/-   ##
=======================================
  Coverage   23.40%   23.40%           
=======================================
  Files          25       25           
  Lines        4230     4230           
=======================================
  Hits          990      990           
  Misses       3077     3077           
  Partials      163      163           

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[danielrbradley]

Closing as not being GA'd for the time being