Merge pull request #515 from alphagov/dependabot/bundler/logger-1.7.0

Bump logger from 1.6.6 to 1.7.0

Author: owenatgov

Gemfile.lock

@@ -92,7 +92,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.6)
+    logger (1.7.0)
     memoist (0.16.2)
     middleman (4.5.1)
       coffee-script (~> 2.2)