Allow configuration of IMDSv2/v1 in HyperShift

User Story

As a ROSA HyperShift customer I want to enforce that IMDSv2 is always the default, to ensure that I have the most secure setting by default.

Acceptance Criteria

• IMDSv2 should be configured in HyperShift clusters by default

Default Done Criteria

• All existing/affected SOPs have been updated.
• New SOPs have been written.
• Internal training has been developed and delivered.
• The feature has both unit and end to end tests passing in all test
  pipelines and through upgrades.
• If the feature requires QE involvement, QE has signed off.
• The feature exposes metrics necessary to manage it (VALET/RED).
• The feature has had a security review.* Contract impact assessment.
• Service Definition is updated if needed.* Documentation is complete.
• Product Manager signed off on staging/beta implementation.

Dates

Integration Testing:
Beta:
GA:

Current Status

GREEN | YELLOW | RED
GREEN = On track, minimal risk to target date.
YELLOW = Moderate risk to target date.
RED = High risk to target date, or blocked and need to highlight potential
risk to stakeholders.

References

Links to Gdocs, github, and any other relevant information about this epic.