Bump gettext from 0.18.2 to 0.22.1 in /nerves_key_quickstart_fw

[dependabot]

Bumps gettext from 0.18.2 to 0.22.1.

Changelog

Sourced from gettext's changelog.

v0.22.1

• Put correct Plural-Forms header on gettext.merge for the first time.
• Fix extractor crash in case of conflicting backends.
• Fix to use the correct plural forms for multiple languages.
• Update expo to ~> 0.4.0 to fix issues with empty msgstr.

v0.22.0

• Deprecate (with a warning) the --plural-forms CLI option and the :plural_forms option in favor of --plural-forms-header and :plural_forms_header.
• Supply the Plural-Forms header to Gettext.Plural callbacks.
• Bump Expo requirement to ~> 0.3.0.
• Add the types:
  • Gettext.Interpolation.bindings/0
  • Gettext.Error.t/0
  • Gettext.Plural.locale/0
  • Gettext.Plural.pluralization_context/0
  • Gettext.Plural.plural_info/0
• Add the optional callbacks Gettext.Plural.init/1 and Gettext.Plural.plural_forms_header/1.

Bug fixes

• Fix --check-up-to-date with msgids split in different ways.
• Don't write the same file more than once in references when using write_reference_line_numbers: false.

v0.21.0

New features and improvements

• Bump Elixir requirement to 1.11+.

• Extract parsing and dumping of PO/POT files to the expo library, and start depending on that.

• Support marking messages as obsolete with the new :on_obsolete Gettext configuration option.

• Add the :write_reference_line_numbers Gettext configuration option.

• Save the previous messages when there's a fuzzy match, with the new :store_previous_message_on_fuzzy_match Gettext configuration option.

• Change :sort_by_msgid to accept false, :case_sensitive, or :case_insensitive and deprecate the true value.

Bug fixes

• Sort messages independent of line splits when dumping PO files.

... (truncated)

Commits

• 3d16882 Release v0.22.1 (#356)
• db35b4f implement Gettext.Plural.plural_forms_header/1 for default implementation (#354)
• 626e59b Fix extractor crash in case of conflicting backends (#352)
• d4e8deb Fix compiler plural_forms_fun name interpolation (#353)
• 60ac674 Start v0.23.0-dev
• fd82c69 Release v0.22.0
• 1ffcb47 Deprecate nplurals=x and :plural_forms (#349)
• a5ef194 Use ExUnit's tmp_dir when possible (#350)
• e5ba065 Fix message for ensure_loaded!/1 in Gettext.Plural (#348)
• 7b350bc Use Expo for handling built-in plural forms (#347)
• Additional commits viewable in compare view

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