feat: implement environment and dashboard support

Description

• feat(cluster agent bootstrap): implement environment and dashboard support

Closes #7667 (closed)

• feat: add function to check for 404 API status code

Related Issues

Resolves #7667 (closed)

How has this been tested?

unit tests and exploratory.

Screenshots (if appropriate):

This is a screenshot from the Kubernetes Dashboard of the environment created:

Note: the "Flux Sync" status is always out of sync because of the bug described in Flux Sync status and action are off when namesp... (gitlab#498083 - closed)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation
• Chore (Related to CI or Packaging to platforms)
• Test gap