feat(crons): Add "volume_anomaly_result" result to clock-tick

[evanpurkhiser]

This will be used to inform the clock tick tasks that the tick detected
an abnormal amount of check-in volume for the previous minute.

Part of getsentry/sentry#79328

[github-actions]

versions in use:

The following repositories use one of the schemas you are editing. It is recommended to roll out schema changes in small PRs, meaning that if those used versions lag behind the latest, it is probably best to update those services before rolling out your change.

• getsentry/sentry: pip:sentry-kafka-schemas==0.1.111 (upgrade)

latest version: 0.1.113

benign changes

schemas/monitors-clock-tick.v1.schema.json

• Added a new property.

  {"path": "", "change": {"PropertyAdd": {"lhs_additional_properties": false, "added": "volume_anomaly_result"}}}
  

✅ This PR should be safe to roll out to consumers first. Make sure to bump
the library in the following repos first:

getsentry/sentry

...then in the other repos:

getsentry/sentry

Take a look at the README for how to release a new version of sentry-kafka-schemas.