Bump excoveralls from 0.10.2 to 0.10.3

Bumps [excoveralls](https://github.com/parroty/excoveralls) from 0.10.2 to 0.10.3.
- [Release notes](https://github.com/parroty/excoveralls/releases)
- [Changelog](https://github.com/parroty/excoveralls/blob/master/CHANGELOG.md)
- [Commits](parroty/excoveralls@v0.10.2...v0.10.3)

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

Author: dependabot-support

mix.lock

@@ -11,7 +11,7 @@
   "ex_doc": {:hex, :ex_doc, "0.12.0", "b774aabfede4af31c0301aece12371cbd25995a21bb3d71d66f5c2fe074c603f", [:mix], [{:earmark, "~> 0.2", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
   "ex_queb": {:hex, :ex_queb, "1.0.1", "833f773179fb8971b1a58b67874209f50d087024ca0771e8f9a283c9214ec4b9", [:mix], [{:ecto, "~> 2.0", [hex: :ecto, repo: "hexpm", optional: false]}], "hexpm"},
   "exactor": {:hex, :exactor, "2.2.4", "5efb4ddeb2c48d9a1d7c9b465a6fffdd82300eb9618ece5d34c3334d5d7245b1", [:mix], [], "hexpm"},
-  "excoveralls": {:hex, :excoveralls, "0.10.2", "fb4abd5b8a1b9d52d35e1162e7e2ea8bfb84b47ae07c38d39aa8ce64be0b0794", [:mix], [{:hackney, "~> 1.13", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
+  "excoveralls": {:hex, :excoveralls, "0.10.3", "b090a3fbcb3cfa136f0427d038c92a9051f840953ec11b40ee74d9d4eac04d1e", [:mix], [{:hackney, "~> 1.13", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
   "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, repo: "hexpm", optional: false]}], "hexpm"},
   "factory_girl_elixir": {:hex, :factory_girl_elixir, "0.1.1", "2c2b41111a409cf74131cd0f651fe65d77eb60d4b45775192ecde9820dc59ac5", [:mix], []},
   "floki": {:hex, :floki, "0.20.4", "be42ac911fece24b4c72f3b5846774b6e61b83fe685c2fc9d62093277fb3bc86", [:mix], [{:html_entities, "~> 0.4.0", [hex: :html_entities, repo: "hexpm", optional: false]}, {:mochiweb, "~> 2.15", [hex: :mochiweb, repo: "hexpm", optional: false]}], "hexpm"},