Bump oauth from 0.5.4 to 0.5.5

Bumps [oauth](https://github.com/oauth-xx/oauth-ruby) from 0.5.4 to 0.5.5.
- [Release notes](https://github.com/oauth-xx/oauth-ruby/releases)
- [Changelog](https://github.com/oauth-xx/oauth-ruby/blob/master/HISTORY)
- [Commits](ruby-oauth/oauth@v0.5.4...v0.5.5)

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

Author: dependabot[bot]

Gemfile

@@ -109,7 +109,7 @@ gem 'activeadmin', '~> 2.7'
 gem 'exception_handler', '~> 0.3.45'
 
 gem 'nokogiri', '1.10.9', require: false
-gem 'oauth', '0.5.4', require: false
+gem 'oauth', '0.5.5', require: false
 gem 'oauth2', '1.4.4', require: false
 
 gem 'kaminari'        # Auto-paginated views

Gemfile.lock

@@ -345,7 +345,7 @@ GEM
     nio4r (2.5.5)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
-    oauth (0.5.4)
+    oauth (0.5.5)
     oauth2 (1.4.4)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
@@ -596,7 +596,7 @@ DEPENDENCIES
   mysql2
   net-ssh!
   nokogiri (= 1.10.9)
-  oauth (= 0.5.4)
+  oauth (= 0.5.5)
   oauth2 (= 1.4.4)
   oj
   oj_mimic_json