Shrine plugin cannot call `infer_extension`

shrine_uploader_dependencies.rb

# frozen_string_literal: true

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem "activerecord"
  gem "sqlite3"
  ## Shrine v2
  # gem "shrine", "~> 2.19"
  # gem "shrine-memory"
  ## Shrine v3
  gem "shrine", "~> 3.4"
  gem "mime-types"
end

require "active_record"
require "shrine"
require "shrine/storage/memory"
require "down"

Shrine.storages = {
  cache: Shrine::Storage::Memory.new,
  store: Shrine::Storage::Memory.new,
}

Shrine.plugin :activerecord
Shrine.plugin :determine_mime_type, analyzer: :mime_types

class Shrine
  module Plugins
    module HashLocation
      def self.load_dependencies(uploader, *)
        uploader.plugin :signature
        uploader.plugin :infer_extension
      end

      module InstanceMethods
        # Just an example, don't use in production!
        def generate_location(io, action:, name:, metadata:, **)
          if action == :upload
            super
          else
            # Works
            sha256 = calculate_signature(io, :sha256, format: :hex)
            p "SHA256: #{sha256}"

            first_dir  = sha256[0]
            second_dir = sha256[1]

            # Works in Shrine v2, but fails in v3 with:
            # shrine-plugin-dependencies.rb:52:in `generate_location': undefined method `infer_extension' for #<MyUploader:0x00007ffab4588f98 @storage_key=:cache> (NoMethodError)
            extension = infer_extension(metadata['mime_type'])
            p "Extension: #{extension}"

            filename = "#{name}-#{sha256}-#{extension}"

            [first_dir, second_dir, filename].join('/')
          end
        end
      end
    end

    register_plugin(:hash_location, HashLocation)
  end
end

class MyUploader < Shrine
  plugin :hash_location
end

ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
ActiveRecord::Base.connection.create_table(:posts) { |t| t.text :image_data }

class Post < ActiveRecord::Base
  include MyUploader::Attachment(:image)
end

Post.create(image: Down.download("https://loremflickr.com/cache/resized/65535_50735100323_e42ce59a8f_320_240_nofilter.jpg"))