Bump ex_doc from 0.30.7 to 0.30.9 (#90)

Bumps [ex_doc](https://github.com/elixir-lang/ex_doc) from 0.30.7 to 0.30.9.
- [Changelog](https://github.com/elixir-lang/ex_doc/blob/main/CHANGELOG.md)
- [Commits](elixir-lang/ex_doc@v0.30.7...v0.30.9)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

mix.lock

@@ -4,7 +4,7 @@
   "dialyxir": {:hex, :dialyxir, "1.4.1", "a22ed1e7bd3a3e3f197b68d806ef66acb61ee8f57b3ac85fc5d57354c5482a93", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "84b795d6d7796297cca5a3118444b80c7d94f7ce247d49886e7c291e1ae49801"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.37", "2ad73550e27c8946648b06905a57e4d454e4d7229c2dafa72a0348c99d8be5f7", [:mix], [], "hexpm", "6b19783f2802f039806f375610faa22da130b8edc21209d0bff47918bb48360e"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
-  "ex_doc": {:hex, :ex_doc, "0.30.7", "dc7247091aec738ab781f71cbebfc07979d1040c98c7ee67dbde99b7829b743d", [: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", "868ff1c7a44c462741853840d1e7ef19a07906e7467cb8da070c158ea6a42a51"},
+  "ex_doc": {:hex, :ex_doc, "0.30.9", "d691453495c47434c0f2052b08dd91cc32bc4e1a218f86884563448ee2502dd2", [: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", "d7aaaf21e95dc5cddabf89063327e96867d00013963eadf2c6ad135506a8bc10"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
   "machete": {:hex, :machete, "0.2.8", "ca7be4d2d65f05f4ab5eac0f5fd339cea08d4d75f775ac6c22991df2baed5d80", [:mix], [], "hexpm", "09bf5b306385d01c877453ead94914a595beecba3f2525c7364ee3ba0630a224"},