add rails version to migrations

Author: eyewritecode

db/migrate/20180130013200_create_supply_items.rb

@@ -1,4 +1,4 @@
-class CreateSupplyItems < ActiveRecord::Migration
+class CreateSupplyItems < ActiveRecord::Migration[5.2]
   def change
     create_table :supply_items do |t|
       t.references :project, null: false

db/migrate/20180130013201_create_issue_supply_items.rb

@@ -1,4 +1,4 @@
-class CreateIssueSupplyItems < ActiveRecord::Migration
+class CreateIssueSupplyItems < ActiveRecord::Migration[5.2]
   def change
     create_table :issue_supply_items do |t|
       t.references :issue, null: false

db/migrate/20180530235851_add_stock_count_to_supply_items.rb

@@ -1,4 +1,4 @@
-class AddStockCountToSupplyItems < ActiveRecord::Migration
+class AddStockCountToSupplyItems < ActiveRecord::Migration[5.2]
   def change
     add_column :supply_items, :stock, :integer, default: 0, null: false
   end

db/migrate/20180531003652_create_supply_item_journals.rb

@@ -1,4 +1,4 @@
-class CreateSupplyItemJournals < ActiveRecord::Migration
+class CreateSupplyItemJournals < ActiveRecord::Migration[5.2]
   def change
     create_table :supply_item_journals do |t|
       t.string  :type, index: true, null: false