feat: extend SLO status by most recent process status [PC-14514]

[mkaras-nobl9]

Motivation

Adds new SLO process statuses to the status field.

Summary

before:

apiVersion: n9/v1alpha
kind: SLO
...
status:
  timeTravel:
    source: user
    startTime: 2024-07-22T08:10:38Z
    status: completed
    triggeredBy: 00udqsfk2d3Oe8ljW4x6
    unit: Day
    value: 30.0
  targetSlo:
      timeTravelStatus:
        startTime: 2024-07-21T08:10:38Z
        status: completed
        triggeredBy: 00u6axxaftHIMOizO4x7
        unit: Day
        value: 30.0
  updatedAt: 2024-10-03T07:52:25Z

after:

  apiVersion: n9/v1alpha
  kind: SLO
  ...
  status:
    compositeSlo:
      startTime: 2024-10-14T03:49:06Z
      status: queued
      triggeredBy: 00u6axxaftHIMOizO4x7
      unit: Hour
      value: 9.0
    errorBudgetAdjustment:
      startTime: 2024-10-14T01:57:42Z
      status: queued
      triggeredBy: 00u6axxaftHIMOizO4x7
      unit: Hour
      value: 10.0
    replay:
      startTime: 2024-10-13T11:20:32Z
      status: queued
      triggeredBy: 00u6axxaftHIMOizO4x7
      unit: Day
      value: 1.0
    targetSlo:
      replay:
        startTime: 2024-07-21T08:10:38Z
        status: completed
        triggeredBy: 00u6axxaftHIMOizO4x7
        unit: Day
        value: 30.0
    updatedAt: 2024-10-14T11:20:31Z

Related changes

https://github.com/nobl9/n9/pull/15672

Breaking changes

SLO kind:

• The status.timeTravel field has been renamed to status.replay.
• The status.timeTravel.source field has been removed.
• The status.targetSlo.timeTravelStatus field has been renamed to status.targetSlo.replay.

Release Notes

Added new fields for SLO kind status, which reflect the current state of the last process for the given type - replay, errorBudgetAdjustment, compositeSlo.