CLOUDP-280015: Added kubernetes dry run command

[igor-karpukhin]

Proposed changes

Jira ticket: CLOUDP-280015

This PR adds an ability to run Atlas Kubernetes Operator in the dry-run mode using atlas kubernetes dry-run command. This is a DRAFT PR. There are more functionality coming.

Checklist

• I have signed the MongoDB CLA
• I have added tests that prove my fix is effective or that my feature works
• I have added any necessary documentation in document requirements section listed in CONTRIBUTING.md (if appropriate)
• I have addressed the @mongodb/docs-cloud-team comments (if appropriate)
• I have updated test/README.md (if an e2e test has been added)
• I have run make fmt and formatted my code

Further comments

[apix-bot]

Coverage Report 📈

Branch	Commit	Coverage
master	2224a16	38.8%
CLOUDP-280015/kubernetes-dry-run	e04f0f1	39.0%
	Difference	.2%

[igor-karpukhin]

This PR is moved to: mongodb/atlas-cli-plugin-kubernetes#47