Log Message:
mikutter: update to 5.0.4

Upstream changes:

mikutter 5.0.4
 https://mikutter.hatenablog.com/entry/2022/01/30/092542

* crash on ruby 2.7.5 due to lack of YAML.safe_load_file
  on changes to handle YAML.load behavior changes of ruby 3.1

mikutter 5.0.3
 https://mikutter.hatenablog.com/entry/2022/01/16/151907

* explicitly specify gettext version 3.4.1 otherwise en messages are used
  even on ja environments
* crash on the extract tab if "client application name used on the post"
  is specified as "includes" in the criteria
* [miku] crash on macro-expand-all if expaneded results are macro calls
* Ruby 3.1 support: add prime to dependency of uitranslator