Upgrade rubyzip to version 1.2.2

Upgrade rubyzip to version 1.2.2

Author: yoshiekiura

Gemfile.lock

@@ -405,7 +405,7 @@ GEM
     rubytree (1.0.0)
       json (~> 2.1)
       structured_warnings (~> 0.3)
-    rubyzip (1.2.1)
+    rubyzip (1.2.2)
     sass (3.5.7)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -420,7 +420,7 @@ GEM
     selectize-rails (0.12.5)
     selenium-webdriver (3.14.0)
       childprocess (~> 0.5)
-      rubyzip (~> 1.2)
+      rubyzip (>= 1.2.2)
     shoulda-matchers (3.1.2)
       activesupport (>= 4.0.0)
     simple_captcha2 (0.4.3)