Fix keyword arguments warnings

activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb

@@ -783,7 +783,7 @@ module ActiveRecord
             options[:primary_key_column] = column_for(match[:target_table], match[:primary_key])
           end
 
-          MismatchedForeignKey.new(options)
+          MismatchedForeignKey.new(**options)
         end
 
         def version_string(full_version_string)

activerecord/lib/active_record/validations/associated.rb

@@ -5,7 +5,7 @@ module ActiveRecord
     class AssociatedValidator < ActiveModel::EachValidator #:nodoc:
       def validate_each(record, attribute, value)
         if Array(value).reject { |r| valid_object?(r) }.any?
-          record.errors.add(attribute, :invalid, options.merge(value: value))
+          record.errors.add(attribute, :invalid, **options.merge(value: value))
         end
       end
 

activerecord/test/cases/autosave_association_test.rb

@@ -1298,7 +1298,7 @@ class TestAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase
 
     # Stub the save method of the @pirate.ship instance to raise an exception
     class << @pirate.ship
-      def save(*args)
+      def save(*, **)
         super
         raise "Oh noes!"
       end