Add failureIssueThreshold and recoveryThreshold to js cron docs (#10168)

Co-authored-by: Liza Mock <liza.mock@sentry.io>

Author: 2 people

includes/javascript-crons-upsert.mdx

@@ -148,3 +148,15 @@ The amount of time (in minutes) your job is allowed to run before it's considere
 `timezone`:
 
 The `tz` where your job is running. This is usually your server's timezone, (such as `America/Los_Angeles`). See [list of tz database time zones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones). Optional.
+
+`failureIssueThreshold`:
+
+_requires SDK version `8.7.0` or higher_
+
+The number of consecutive failed check-ins required before an issue can be created. Optional.
+
+`recoveryThreshold`:
+
+_requires SDK version `8.7.0` or higher_
+
+The number of consecutive successful check-ins required for an issue to be considered resolved. Optional.