Azure CIS 6.1

[romulets]

Summary of your changes

Implement CIS 6.1

Related Issues

• Part of [CIS Azure] Networking rules #1419

Checklist

• I have added tests that prove my fix is effective or that my feature works

Introducing a new rule?

• Generate rule metadata using this script
• Add relevant unit tests
• Generate relevant rule templates using this script, and open a PR in elastic/packages/cloud_security_posture

[mergify]

This pull request does not have a backport label. Could you fix it @romulets? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v./d./d./d is the label to automatically backport to the 8./d branch. /d is the digit
  NOTE: backport-skip has been added to this pull request.

[moukoublen]

LGTM