fix: change error

Gemfile.lock

@@ -106,7 +106,7 @@ GEM
       activerecord (>= 3.1.0, < 7)
     diff-lcs (1.3)
     diffy (3.3.0)
-    doorkeeper (5.5.4)
+    doorkeeper (5.5.1)
       railties (>= 5)
     doorkeeper-jwt (0.4.1)
       jwt (>= 2.1)

db/migrate/20220617103002_change_oauth_access_tokens_token_column_length.rb

@@ -1,5 +1,5 @@
 class ChangeOauthAccessTokensTokenColumnLength < ActiveRecord::Migration[5.2]
   def change
-    change_column :oauth_access_tokens, :token, :string, limit: 500
+    change_column :oauth_access_tokens, :token, :text
   end
 end