feat(alerts): Disable new metric alerts when over quota

[malwilley]

When the workflow-engine-metric-detector-limit flag is on and the subscription metric detector limit is exceeded, will disable creation of new ones.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
11518	1	11517	10

View the top 1 failed test(s) by shortest run time

useMetricDetectorLimit handles missing X-Hits header as error

Stack Traces | 0.088s run time

Error: expect(received).toEqual(expected) // deep equality

- Expected  - 1
+ Received  + 1

  Object {
    "detectorCount": -1,
    "detectorLimit": 5,
    "hasReachedLimit": false,
-   "isError": true,
+   "isError": false,
    "isLoading": false,
  }
    at Object.toEqual (.../gsApp/hooks/useMetricDetectorLimit.spec.tsx:277:28)

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[scttcper]

clear works but could probably make a whole new queryClient on every render

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ [**Error: �[2mexpect(�[22m�[31mjest.fn()�[39m�[2m).�...** in ci:pull_request

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