0.21.0

Changelog

7a366a8 Any change to api client should recreate the resource
5de5b1f Dont retry on CT errors, make create calls more consistent
5ab0fcc Merge pull request #102 from labd/bugfix/ct-error-retries
3335556 Merge pull request #107 from emmenko/nm-provider-cloud-regions
c09a349 Prepare 0.21 release
48dea71 Update required fields for provider
555d180 Update terraform helper sdk to 1.7.0
a3d310a fix: keep original values for test setup
f9a68a9 refactor(provider): to support region and cloud_provider fields
9d7c10d refactor: keep URLs, drop region and cloud_provider
6e8b16d refactor: use Deprecated instead of Removed