[Uptime] Fix monitor alert label

[afgomez]

Summary

Closes #143895

Updates the label for the status check labels to reflect what the alert does.

[elasticmachine]

Pinging @elastic/uptime (Team:uptime)

[afgomez]

@elasticmachine merge upstream

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: fcd55ae

Failed CI Steps

• Synthetics @elastic/synthetics Tests

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
synthetics	1.1MB	1.1MB	+4.0B

Unknown metric groups

ESLint disabled in files

id	before	after	diff
osquery	1	2	+1

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	19	21	+2
fleet	59	65	+6
osquery	108	113	+5
securitySolution	441	447	+6
total			+19

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	20	22	+2
fleet	67	73	+6
osquery	109	115	+6
securitySolution	518	524	+6
total			+20

History

• 💔 Build #87572 failed cfcb052
• 💔 Build #87517 failed 84cd5e6

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@elasticmachine merge upstream