chore(deps): bump oauth2 from 0.9.4 to 2.1.0

Bumps [oauth2](https://github.com/scrogson/oauth2) from 0.9.4 to 2.1.0.
- [Release notes](https://github.com/scrogson/oauth2/releases)
- [Changelog](https://github.com/ueberauth/oauth2/blob/master/CHANGELOG.md)
- [Commits](ueberauth/oauth2@v0.9.4...v2.1.0)

---
updated-dependencies:
- dependency-name: oauth2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

apps/cf/mix.exs

@@ -54,7 +54,7 @@ defmodule CF.Mixfile do
       {:not_qwerty123, "~> 2.2"},
       {:bamboo, "~> 1.7.1"},
       {:hackney, "~> 1.17"},
-      {:oauth2, "~> 0.9"},
+      {:oauth2, "~> 2.1"},
       {:rollbax, ">= 0.0.0"},
       {:sweet_xml, "~> 0.6"},
       {:burnex, "~> 3.1"},

mix.lock

@@ -69,7 +69,7 @@
   "mochiweb": {:hex, :mochiweb, "2.18.0", "eb55f1db3e6e960fac4e6db4e2db9ec3602cc9f30b86cd1481d56545c3145d2e", [:rebar3], [], "hexpm", "b93e2b1e564bdbadfecc297277f9e6d0902da645b417d6c9210f6038ac63489a"},
   "mock": {:hex, :mock, "0.3.8", "7046a306b71db2488ef54395eeb74df0a7f335a7caca4a3d3875d1fc81c884dd", [:mix], [{:meck, "~> 0.9.2", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "7fa82364c97617d79bb7d15571193fc0c4fe5afd0c932cef09426b3ee6fe2022"},
   "not_qwerty123": {:hex, :not_qwerty123, "2.2.1", "656e940159517f2d2f07ea0bb14e4ad376d176b5f4de07115e7a64902b5e13e3", [:mix], [{:gettext, "~> 0.13", [hex: :gettext, repo: "hexpm", optional: false]}], "hexpm", "7637173b09eb7b26b29925039d5b92f7107c94a27cbe4d2ba8efb8b84d060c4b"},
-  "oauth2": {:hex, :oauth2, "0.9.4", "632e8e8826a45e33ac2ea5ac66dcc019ba6bb5a0d2ba77e342d33e3b7b252c6e", [:mix], [{:hackney, "~> 1.7", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "407c6b9f60aa0d01b915e2347dc6be78adca706a37f0c530808942da3b62e7af"},
+  "oauth2": {:hex, :oauth2, "2.1.0", "beb657f393814a3a7a8a15bd5e5776ecae341fd344df425342a3b6f1904c2989", [:mix], [{:tesla, "~> 1.5", [hex: :tesla, repo: "hexpm", optional: false]}], "hexpm", "8ac07f85b3307dd1acfeb0ec852f64161b22f57d0ce0c15e616a1dfc8ebe2b41"},
   "parallel_stream": {:hex, :parallel_stream, "1.0.6", "b967be2b23f0f6787fab7ed681b4c45a215a81481fb62b01a5b750fa8f30f76c", [:mix], [], "hexpm", "639b2e8749e11b87b9eb42f2ad325d161c170b39b288ac8d04c4f31f8f0823eb"},
   "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},
   "phoenix": {:hex, :phoenix, "1.3.4", "aaa1b55e5523083a877bcbe9886d9ee180bf2c8754905323493c2ac325903dc5", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm", "f9eb4926aaad604c5ee4051f462f5981828fb559691236d71f7fb07ac4a0532d"},