Merge pull request #589 from Data-Liberation-Front/dependabot/bundler/timecop-0.9.4

Bump timecop from 0.9.3 to 0.9.4

Author: Floppy

Gemfile.lock

@@ -746,7 +746,7 @@ GEM
     thor (1.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    timecop (0.9.3)
+    timecop (0.9.4)
     tins (1.25.0)
       sync
     to_regexp (0.2.1)