docs: update BBS API FailTask deprecation notice
[#163411619](https://www.pivotaltracker.com/story/show/163411619)
@@ -142,7 +142,7 @@ The [BBS API docs](https://github.com/cloudfoundry/bbs/tree/master/doc) and [rou
| -------------------------- | ---------- | ------- | ------------------------------------ |
| `/v1/desired_lrps/list.r2` | v2.20.0 | N/A | Use `/v1/desired_lrps/list.r3` instead. |
| `/v1/desired_lrps/get_by_process_guid.r2` | v2.20.0 | N/A | Use `/v1/desired_lrps/get_by_process_guid.r3` instead. |
-| `/v1/tasks/fail` | not yet released | N/A | Use `/v1/tasks/complete` and `/v1/tasks/cancel` instead. |
+| `/v1/tasks/fail` | v2.27.0 | N/A | Use `/v1/tasks/complete` and `/v1/tasks/cancel` instead. |
| `/v1/tasks/get_by_task_guid.r2` | v2.20.0 | N/A | Use `/v1/tasks/get_by_task_guid.r3` instead. |
| `/v1/tasks/list.r2` | v2.20.0 | N/A | Use `/v1/tasks/list.r3` instead. |
| `/v1/events` | v2.20.0 | N/A | Use `/v1/events.r1` instead. |
