chore(deps-dev): bump dialyxir from 1.0.0-rc.3 to 1.0.0-rc.4

Bumps [dialyxir](https://github.com/jeremyjh/dialyxir) from 1.0.0-rc.3 to 1.0.0-rc.4.
- [Release notes](https://github.com/jeremyjh/dialyxir/releases)
- [Commits](https://github.com/jeremyjh/dialyxir/commits)

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

Author: dependabot-support

mix.lock

@@ -18,10 +18,11 @@
   "dataloader": {:hex, :dataloader, "1.0.4", "7c2345c53c9e5b61420013fc53c8463ba347a938b61f66677eb47d9c4a53ac5d", [:mix], [{:ecto, ">= 0.0.0", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm"},
   "db_connection": {:hex, :db_connection, "2.0.3", "b4e8aa43c100e16f122ccd6798cd51c48c79fd391c39d411f42b3cd765daccb0", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}], "hexpm"},
   "decimal": {:hex, :decimal, "1.7.0", "30d6b52c88541f9a66637359ddf85016df9eb266170d53105f02e4a67e00c5aa", [], [], "hexpm"},
-  "dialyxir": {:hex, :dialyxir, "1.0.0-rc.3", "774306f84973fc3f1e2e8743eeaa5f5d29b117f3916e5de74c075c02f1b8ef55", [:mix], [], "hexpm"},
+  "dialyxir": {:hex, :dialyxir, "1.0.0-rc.4", "71b42f5ee1b7628f3e3a6565f4617dfb02d127a0499ab3e72750455e986df001", [:mix], [{:erlex, "~> 0.1", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm"},
   "ecto": {:hex, :ecto, "3.0.4", "5d0e2b89baaa03eac37ec49f9018c39a4e2fb6501dc3ff5a839de742e171a09f", [:mix], [{:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}], "hexpm"},
   "ecto_sql": {:hex, :ecto_sql, "3.0.3", "dd17f2401a69bb2ec91d5564bd259ad0bc63ee32c2cb2e616d04f1559801dba6", [:mix], [{:db_connection, "~> 2.0", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.0.4", [hex: :ecto, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.9.1", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.14.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.2.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm"},
   "elixir_make": {:hex, :elixir_make, "0.4.0", "992f38fabe705bb45821a728f20914c554b276838433349d4f2341f7a687cddf", [], [], "hexpm"},
+  "erlex": {:hex, :erlex, "0.2.1", "cee02918660807cbba9a7229cae9b42d1c6143b768c781fa6cee1eaf03ad860b", [:mix], [], "hexpm"},
   "ex_unit_notifier": {:hex, :ex_unit_notifier, "0.1.4", "36a2dcab829f506e01bf17816590680dd1474407926d43e64c1263e627c364b8", [:mix], [], "hexpm"},
   "excoveralls": {:hex, :excoveralls, "0.10.5", "7c912c4ec0715a6013647d835c87cde8154855b9b84e256bc7a63858d5f284e3", [:mix], [{:hackney, "~> 1.13", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
   "faker": {:hex, :faker, "0.10.0", "367c2ae47e7b4ac6410e1eaa880c07b5fe4194476f697d37ac1ce25f3058aae2", [:mix], [], "hexpm"},