FIX: update mini scheduler

FIX: update mini scheduler

The UX was not showing any durations longer than 1 minute for scheduled jobs

Also updates sidekiq and rack minor versions which are low risk

diff --git a/Gemfile.lock b/Gemfile.lock
index a783adf..ba91430 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -205,7 +205,7 @@ GEM
     mini_portile2 (2.4.0)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
-    mini_scheduler (0.9.1)
+    mini_scheduler (0.9.2)
       sidekiq
     mini_sql (0.2.1)
     mini_suffix (0.3.0)
@@ -294,7 +294,7 @@ GEM
     public_suffix (3.0.3)
     puma (3.12.0)
     r2 (0.2.7)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-mini-profiler (1.0.2)
       rack (>= 1.2.0)
     rack-openid (1.3.1)
@@ -402,7 +402,7 @@ GEM
       activesupport (>= 3.1)
     shoulda-matchers (3.1.3)
       activesupport (>= 4.0.0)
-    sidekiq (5.2.5)
+    sidekiq (5.2.7)
       connection_pool (~> 2.2, >= 2.2.2)
       rack (>= 1.5.0)
       rack-protection (>= 1.5.0)

GitHub sha: 68d7b402