Bump ex_doc from 0.30.2 to 0.30.3

Bumps [ex_doc](https://github.com/elixir-lang/ex_doc) from 0.30.2 to 0.30.3.
- [Changelog](https://github.com/elixir-lang/ex_doc/blob/main/CHANGELOG.md)
- [Commits](https://github.com/elixir-lang/ex_doc/commits)

---
updated-dependencies:
- dependency-name: ex_doc
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

mix.lock

@@ -6,7 +6,7 @@
   "dialyxir": {:hex, :dialyxir, "1.3.0", "fd1672f0922b7648ff9ce7b1b26fcf0ef56dda964a459892ad15f6b4410b5284", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "00b2a4bcd6aa8db9dcb0b38c1225b7277dca9bc370b6438715667071a304696f"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.33", "3c3fd9673bb5dcc9edc28dd90f50c87ce506d1f71b70e3de69aa8154bc695d44", [:mix], [], "hexpm", "2d526833729b59b9fdb85785078697c72ac5e5066350663e5be6a1182da61b8f"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
-  "ex_doc": {:hex, :ex_doc, "0.30.2", "7a3e63ddb387746925bbbbcf6e9cb00e43c757cc60359a2b40059aea573e3e57", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "5ba8cb61d069012f16b50e575b0e3e6cf4083935f7444fab0d92c9314ce86bb6"},
+  "ex_doc": {:hex, :ex_doc, "0.30.3", "bfca4d340e3b95f2eb26e72e4890da83e2b3a5c5b0e52607333bf5017284b063", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "fbc8702046c1d25edf79de376297e608ac78cdc3a29f075484773ad1718918b6"},
   "excoveralls": {:hex, :excoveralls, "0.16.1", "0bd42ed05c7d2f4d180331a20113ec537be509da31fed5c8f7047ce59ee5a7c5", [:mix], [{:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "dae763468e2008cf7075a64cb1249c97cb4bc71e236c5c2b5e5cdf1cfa2bf138"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "git_hooks": {:hex, :git_hooks, "0.7.3", "09489e94d88dfc767662e22aff2b6208bd7cf555a19dd0e1477cca4683ce0701", [:mix], [{:blankable, "~> 1.0.0", [hex: :blankable, repo: "hexpm", optional: false]}, {:recase, "~> 0.7.0", [hex: :recase, repo: "hexpm", optional: false]}], "hexpm", "d6ddedeb4d3a8602bc3f84e087a38f6150a86d9e790628ed8bc70e6d90681659"},