Bump gettext from 0.20.0 to 0.21.0

Bumps [gettext](https://github.com/elixir-gettext/gettext) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/elixir-gettext/gettext/releases)
- [Changelog](https://github.com/elixir-gettext/gettext/blob/main/CHANGELOG.md)
- [Commits](https://github.com/elixir-gettext/gettext/compare/v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: gettext
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

apps/block_scout_web/mix.exs

@@ -83,7 +83,7 @@ defmodule BlockScoutWeb.Mixfile do
       # HTML CSS selectors for Phoenix controller tests
       {:floki, "~> 0.31"},
       {:flow, "~> 1.2"},
-      {:gettext, "~> 0.20.0"},
+      {:gettext, "~> 0.21.0"},
       {:hammer, "~> 6.0"},
       {:httpoison, "~> 1.6"},
       {:indexer, in_umbrella: true, runtime: false},

mix.lock

@@ -54,13 +54,14 @@
   "ex_utils": {:hex, :ex_utils, "0.1.7", "2c133e0bcdc49a858cf8dacf893308ebc05bc5fba501dc3d2935e65365ec0bf3", [:mix], [], "hexpm", "66d4fe75285948f2d1e69c2a5ddd651c398c813574f8d36a9eef11dc20356ef6"},
   "exactor": {:hex, :exactor, "2.2.4", "5efb4ddeb2c48d9a1d7c9b465a6fffdd82300eb9618ece5d34c3334d5d7245b1", [:mix], [], "hexpm", "1222419f706e01bfa1095aec9acf6421367dcfab798a6f67c54cf784733cd6b5"},
   "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, repo: "hexpm", optional: false]}], "hexpm", "32e95820a97cffea67830e91514a2ad53b888850442d6d395f53a1ac60c82e07"},
+  "expo": {:hex, :expo, "0.1.0", "d4e932bdad052c374118e312e35280f1919ac13881cb3ac07a209a54d0c81dd8", [:mix], [], "hexpm", "c22c536021c56de058aaeedeabb4744eb5d48137bacf8c29f04d25b6c6bbbf45"},
   "exvcr": {:hex, :exvcr, "0.13.4", "68efca5ae04a909b29a9e137338a7033642898033c7a938a5faec545bfc5a38e", [:mix], [{:exactor, "~> 2.2", [hex: :exactor, repo: "hexpm", optional: false]}, {:exjsx, "~> 4.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:finch, "~> 0.8", [hex: :finch, repo: "hexpm", optional: true]}, {:httpoison, "~> 1.0", [hex: :httpoison, repo: "hexpm", optional: true]}, {:httpotion, "~> 3.1", [hex: :httpotion, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:meck, "~> 0.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "42920a59bdeef34001f8c2305a57d68b29d8a2e7aa1877bb35a75034b9f9904a"},
   "file_info": {:hex, :file_info, "0.0.4", "2e0e77f211e833f38ead22cb29ce53761d457d80b3ffe0ffe0eb93880b0963b2", [:mix], [{:mimetype_parser, "~> 0.1.2", [hex: :mimetype_parser, repo: "hexpm", optional: false]}], "hexpm", "50e7ad01c2c8b9339010675fe4dc4a113b8d6ca7eddce24d1d74fd0e762781a5"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "floki": {:hex, :floki, "0.34.0", "002d0cc194b48794d74711731db004fafeb328fe676976f160685262d43706a8", [:mix], [], "hexpm", "9c3a9f43f40dde00332a589bd9d389b90c1f518aef500364d00636acc5ebc99c"},
   "flow": {:hex, :flow, "1.2.1", "cfe984b2078ced0bc92807737909abe1b158288256244cc77d03ad96cbef1571", [:mix], [{:gen_stage, "~> 1.0", [hex: :gen_stage, repo: "hexpm", optional: false]}], "hexpm", "3f9fe6a4b28b8e82822d7a851c8d8fe3ac3c0e597aa2cf3cccd81f9af561abee"},
   "gen_stage": {:hex, :gen_stage, "1.1.2", "b1656cd4ba431ed02c5656fe10cb5423820847113a07218da68eae5d6a260c23", [:mix], [], "hexpm", "9e39af23140f704e2b07a3e29d8f05fd21c2aaf4088ff43cb82be4b9e3148d02"},
-  "gettext": {:hex, :gettext, "0.20.0", "75ad71de05f2ef56991dbae224d35c68b098dd0e26918def5bb45591d5c8d429", [:mix], [], "hexpm", "1c03b177435e93a47441d7f681a7040bd2a816ece9e2666d1c9001035121eb3d"},
+  "gettext": {:hex, :gettext, "0.21.0", "15bbceb20b317b706a8041061a08e858b5a189654128618b53746bf36c84352b", [:mix], [{:expo, "~> 0.1.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "04a66db4103b6d1d18f92240bb2c73167b517229316b7bef84e4eebbfb2f14f6"},
   "hackney": {:hex, :hackney, "1.18.1", "f48bf88f521f2a229fc7bae88cf4f85adc9cd9bcf23b5dc8eb6a1788c662c4f6", [:rebar3], [{:certifi, "~>2.9.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~>6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~>1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.3.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "a4ecdaff44297e9b5894ae499e9a070ea1888c84afdd1fd9b7b2bc384950128e"},
   "hammer": {:hex, :hammer, "6.1.0", "f263e3c3e9946bd410ea0336b2abe0cb6260af4afb3a221e1027540706e76c55", [:make, :mix], [{:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}], "hexpm", "b47e415a562a6d072392deabcd58090d8a41182cf9044cdd6b0d0faaaf68ba57"},
   "html_entities": {:hex, :html_entities, "0.5.2", "9e47e70598da7de2a9ff6af8758399251db6dbb7eebe2b013f2bbd2515895c3c", [:mix], [], "hexpm", "c53ba390403485615623b9531e97696f076ed415e8d8058b1dbaa28181f4fdcc"},