500 Error viewing branches: Encoding::CompatibilityError: incompatible character encodings: UTF-8 and ASCII-8BIT

https://sentry.gitlap.com/gitlab/gitlabcom/issues/124448/

Encoding::CompatibilityError: incompatible character encodings: UTF-8 and ASCII-8BIT
  app/views/projects/commit/branches.html.haml:12:in `_app_views_projects_commit_branches_html_haml___2065785092598725752_70209445398820'
    - if @tags_limit_exceeded
  app/controllers/projects/commit_controller.rb:76:in `branches'
    render layout: false
  lib/gitlab/i18n.rb:47:in `with_locale'
    yield
  lib/gitlab/i18n.rb:53:in `with_user_locale'
    with_locale(user&.preferred_language, &block)
  app/controllers/application_controller.rb:333:in `set_locale'
    Gitlab::I18n.with_user_locale(current_user, &block)
...
(155 additional frame(s) were not displayed)

Encoding::CompatibilityError: incompatible character encodings: UTF-8 and ASCII-8BIT