UI: Change high-priority tag to priority-high (#32)

UI: Change high-priority tag to priority-high (#32)

Our various styling using priority-high vs high-priority.

diff --git a/app/jobs/concerns/alert_post_mixin.rb b/app/jobs/concerns/alert_post_mixin.rb
index 1caf59d..cb62472 100644
--- a/app/jobs/concerns/alert_post_mixin.rb
+++ b/app/jobs/concerns/alert_post_mixin.rb
@@ -4,7 +4,7 @@ module AlertPostMixin
   extend ActiveSupport::Concern
 
   FIRING_TAG = "firing".freeze
-  HIGH_PRIORITY_TAG = "high-priority".freeze
+  HIGH_PRIORITY_TAG = "priority-high".freeze
   NEXT_BUSINESS_DAY_SLA = "nbd".freeze
 
   MAX_BUMP_RATE = 5.minutes

GitHub sha: 706ac0403a3fa10d273582fa0b41aa1a5f433d3c

This commit appears in #32 which was approved by CvX. It was merged by SamSaffron.