Fix typo in luci-scheduler for blink-heap-verification bot.

TBR=jbudorick@chromium.org

Bug: 817779
Change-Id: I99e51513bc6279ba98409952f20b0dec66a62cd4
Reviewed-on: https://chromium-review.googlesource.com/954607Reviewed-by: Benjamin Pastene <bpastene@chromium.org>
Commit-Queue: Benjamin Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541712}

infra/config/global/luci-scheduler.cfg

@@ -62,7 +62,7 @@ trigger {
   triggers: "GPU FYI Linux Ozone Builder"
   triggers: "GPU Linux Builder"
   triggers: "linux-blink-heap-incremental-marking"
-  triggers: "linux-blink-heap-verificaton"
+  triggers: "linux-blink-heap-verification"
   triggers: "Linux Builder (dbg)"
   triggers: "Linux Builder"
   triggers: "Linux FYI GPU TSAN Release"