state value for rules and alerts should be in lowercase

[vikram-raj]

Currently, the state value for rules and alerts is in uppercase (e.g. state: "FIRING"). Can we change the state value to lowercase?

Thanos, Prometheus and Golang version used:

Object Storage Provider:

What happened:
The state value for rules and alerts is in uppercase (e.g. state: "FIRING")

What you expected to happen:
The state value for rules and alerts should be lowercase (e.g. state: "firing").

How to reproduce it (as minimally and precisely as possible):
Check the response of thanks rules API.