Adding renotifyStatuses and removed deprecated Locked in monitors

[Eokye]

What does this PR do?

A brief description of the change being made with this pull request.

Added renotifyStatuses to the operator's datadog monitor field, and removed Locked which is deprecated

Motivation

What inspired you to submit this pull request? https://github.com/DataDog/datadog-operator/issues/1216

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

Write there any instructions and details you may have to test your PR. I used this manifest after enabling datadogmonitors in datadogperator manager.yaml file:

apiVersion: datadoghq.com/v1alpha1
kind: DatadogMonitor
metadata:
  name: datadog-monitor-test
spec:
  query: "avg(last_10m):avg:system.disk.in_use{*} by {host} > 0.5"
  type: "metric alert"
  name: "Test monitor made from DatadogMonitor"
  message: "We are running out of disk space!"
  tags:
    - "test:datadog"
  options:
    renotifyInterval: 1
    renotifyOccurrences: 3
    renotifyStatuses:
      - "alert"
      - "warn"
    groupbySimpleMonitor: false

The renotifyStatuses were subsequently shown on the monitor's settings:

Checklist

• [x] PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• [ ] PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.04%. Comparing base (7ece56c) to head (1caaa37).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1259   +/-   ##
=======================================
  Coverage   55.03%   55.04%           
=======================================
  Files         243      243           
  Lines       28165    28168    +3     
=======================================
+ Hits        15502    15505    +3     
  Misses      11785    11785           
  Partials      878      878           

Flag	Coverage Δ
unittests	55.04% <100.00%> (+<0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
apis/datadoghq/v1alpha1/datadogmonitor_types.go	100.00% <ø> (ø)
controllers/datadogmonitor/monitor.go	68.87% <100.00%> (+0.48%)	:arrow_up:

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