update activerecord-import to 1.0.4

Gemfile

@@ -75,7 +75,7 @@ group :postgresql, optional: true do
 end
 
 
-gem "activerecord-import", "1.0.2"
+gem "activerecord-import", "1.0.4"
 
 # File uploading
 

Gemfile.lock

@@ -37,7 +37,7 @@ GEM
       activemodel (= 5.2.4.2)
       activesupport (= 5.2.4.2)
       arel (>= 9.0)
-    activerecord-import (1.0.2)
+    activerecord-import (1.0.4)
       activerecord (>= 3.2)
     activestorage (5.2.4.2)
       actionpack (= 5.2.4.2)
@@ -789,7 +789,7 @@ PLATFORMS
 
 DEPENDENCIES
   active_model_serializers (= 0.9.7)
-  activerecord-import (= 1.0.2)
+  activerecord-import (= 1.0.4)
   acts-as-taggable-on (= 6.0.0)
   acts_as_api (= 1.0.1)
   addressable (= 2.7.0)