chore(deps-dev): bump timecop from 0.9.10 to 0.9.11 (#727)

Author: arpit-jn

Gemfile.lock

@@ -180,7 +180,7 @@ GEM
     simplecov_json_formatter (0.1.4)
     terminal-notifier-guard (1.7.0)
     thor (1.5.0)
-    timecop (0.9.10)
+    timecop (0.9.11)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (3.2.0)