Bump dialyxir from 1.0.0 to 1.2.0

Bumps [dialyxir](https://github.com/jeremyjh/dialyxir) from 1.0.0 to 1.2.0.
- [Release notes](https://github.com/jeremyjh/dialyxir/releases)
- [Changelog](https://github.com/jeremyjh/dialyxir/blob/master/CHANGELOG.md)
- [Commits](jeremyjh/dialyxir@1.0.0...1.2.0)

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

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

Author: dependabot[bot]

mix.exs

@@ -95,7 +95,7 @@ defmodule Tipalti.MixProject do
   defp deps do
     [
       {:credo, "~> 1.0", only: [:dev, :test], runtime: false},
-      {:dialyxir, "~> 1.0.0-rc.4", only: [:dev], runtime: false},
+      {:dialyxir, "~> 1.2.0", only: [:dev], runtime: false},
       {:ex_doc, "~> 0.19", only: :dev, runtime: false},
       {:ex_money, "~> 2.6 or ~> 3.0 or ~> 4.0 or ~> 5.0"},
       {:excoveralls, "~> 0.7", only: :test},

mix.lock

@@ -4,7 +4,7 @@
   "cldr_utils": {:hex, :cldr_utils, "2.15.1", "1136987437ac4821f3ec7d46ff150f1c020a1f79730ff1252bfa7681ed577f31", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: true]}, {:certifi, "~> 2.5", [hex: :certifi, repo: "hexpm", optional: true]}, {:decimal, "~> 1.9 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm", "ca3c8da0aab18b4d944541392e9548422e30854e3a9d7768dc629c8123f8efb8"},
   "credo": {:hex, :credo, "1.5.5", "e8f422026f553bc3bebb81c8e8bf1932f498ca03339856c7fec63d3faac8424b", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2.8", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "dd8623ab7091956a855dc9f3062486add9c52d310dfd62748779c4315d8247de"},
   "decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"},
-  "dialyxir": {:hex, :dialyxir, "1.0.0", "6a1fa629f7881a9f5aaf3a78f094b2a51a0357c843871b8bc98824e7342d00a5", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "aeb06588145fac14ca08d8061a142d52753dbc2cf7f0d00fc1013f53f8654654"},
+  "dialyxir": {:hex, :dialyxir, "1.2.0", "58344b3e87c2e7095304c81a9ae65cb68b613e28340690dfe1a5597fd08dec37", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "61072136427a851674cab81762be4dbeae7679f85b1272b6d25c3a839aff8463"},
   "earmark": {:hex, :earmark, "1.4.4", "4821b8d05cda507189d51f2caeef370cf1e18ca5d7dfb7d31e9cafe6688106a4", [:mix], [], "hexpm", "1f93aba7340574847c0f609da787f0d79efcab51b044bb6e242cae5aca9d264d"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.13", "0c98163e7d04a15feb62000e1a891489feb29f3d10cb57d4f845c405852bbef8", [:mix], [], "hexpm", "d602c26af3a0af43d2f2645613f65841657ad6efc9f0e361c3b6c06b578214ba"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},