♻️ Switch to using service accounts tokens instead of API keys

[jacobwoffenden]

User Story

As an Observability Platform Product Engineering
I expect supporting automation to use the newer service account functionality
So that automation continues to work when API keys are deprecated

Value / Purpose

Grafana is deprecating API keys

Useful Contacts

No response

User Types

No response

Hypothesis

If we... [do a thing]
Then... [this will happen]

Proposal

No response

Additional Information

https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/grafana.html

Definition of Done

Example - [ ] Documentation has been written / updated

• README has been updated
• User docs have been updated
• Another team member has reviewed
• Tests are green