Bump dialyxir from 1.3.0 to 1.4.0

Bumps [dialyxir](https://github.com/jeremyjh/dialyxir) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/jeremyjh/dialyxir/releases)
- [Changelog](https://github.com/jeremyjh/dialyxir/blob/master/CHANGELOG.md)
- [Commits](jeremyjh/dialyxir@1.3.0...1.4.0)

---
updated-dependencies:
- dependency-name: dialyxir
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

mix.lock

@@ -1,6 +1,6 @@
 %{
   "certifi": {:hex, :certifi, "2.9.0", "6f2a475689dd47f19fb74334859d460a2dc4e3252a3324bd2111b8f0429e7e21", [:rebar3], [], "hexpm", "266da46bdb06d6c6d35fde799bcb28d36d985d424ad7c08b5bb48f5b5cdd4641"},
-  "dialyxir": {:hex, :dialyxir, "1.3.0", "fd1672f0922b7648ff9ce7b1b26fcf0ef56dda964a459892ad15f6b4410b5284", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "00b2a4bcd6aa8db9dcb0b38c1225b7277dca9bc370b6438715667071a304696f"},
+  "dialyxir": {:hex, :dialyxir, "1.4.0", "6b698401c16de79e8596b73dca63762255e70e4bbe26423530e173917220d5fc", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "c7ecaa1da27debae488ab09d9827ec58a0161c7821972b6d2cb26c1614648849"},
   "earmark": {:hex, :earmark, "1.2.4", "99b637c62a4d65a20a9fb674b8cffb8baa771c04605a80c911c4418c69b75439", [:mix], [], "hexpm", "1b34655872366414f69dd987cb121c049f76984b6ac69f52fff6d8fd64d29cfd"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.33", "3c3fd9673bb5dcc9edc28dd90f50c87ce506d1f71b70e3de69aa8154bc695d44", [:mix], [], "hexpm", "2d526833729b59b9fdb85785078697c72ac5e5066350663e5be6a1182da61b8f"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},