Update sidekiq to version 6.0.7

Author: depfu[bot]

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     public_suffix (3.0.2)
     puma (3.9.1)
     rack (2.2.2)
-    rack-protection (2.0.7)
+    rack-protection (2.0.8.1)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -131,7 +131,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    redis (4.1.2)
+    redis (4.1.3)
     rubyzip (2.0.0)
     sass (3.5.1)
       sass-listen (~> 4.0.0)
@@ -149,9 +149,9 @@ GEM
       rubyzip (>= 1.2.2)
     sentry-raven (2.5.3)
       faraday (>= 0.7.6, < 1.0)
-    sidekiq (6.0.0)
+    sidekiq (6.0.7)
       connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
+      rack (~> 2.0)
       rack-protection (>= 2.0.0)
       redis (>= 4.1.0)
     spring (2.0.2)