chore(deps): bump httpoison from 0.13.0 to 1.7.0

Bumps [httpoison](https://github.com/edgurgel/httpoison) from 0.13.0 to 1.7.0.
- [Release notes](https://github.com/edgurgel/httpoison/releases)
- [Changelog](https://github.com/edgurgel/httpoison/blob/master/CHANGELOG.md)
- [Commits](edgurgel/httpoison@v0.13.0...v1.7.0)

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

Author: dependabot-preview[bot]

apps/cf/mix.exs

@@ -47,7 +47,7 @@ defmodule CF.Mixfile do
       {:guardian_db, "~> 1.1.0"},
       {:floki, "~> 0.20.2"},
       {:html_entities, "~> 0.3"},
-      {:httpoison, "~> 0.11"},
+      {:httpoison, "~> 1.7"},
       {:poison, "~> 3.1"},
       {:csv, "~> 1.4.4"},
       {:not_qwerty123, "~> 2.2"},