[Security] Bump omniauth from 1.9.1 to 2.0.3

Bumps [omniauth](https://github.com/omniauth/omniauth) from 1.9.1 to 2.0.3. **This update includes a security fix.**
- [Release notes](https://github.com/omniauth/omniauth/releases)
- [Commits](https://github.com/omniauth/omniauth/compare/v1.9.1...v2.0.3)

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

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '6.1.3'
+gem 'rails', '6.1.2'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4.1'
 
@@ -32,7 +32,7 @@ gem 'turbolinks', '~> 5.2.1'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.11.2'
 # bundle exec rake doc:rails generates the API under doc/api.
-gem 'sdoc', '~> 2.0.4',          group: :doc
+gem 'sdoc', '~> 2.0.3',          group: :doc
 
 gem 'web-console', '~> 4.1.0', group: :development
 gem 'listen', '~> 3.4.1', group: :development

Gemfile.lock

@@ -1,60 +1,60 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (6.1.3)
-      actionpack (= 6.1.3)
-      activesupport (= 6.1.3)
+    actioncable (6.1.2)
+      actionpack (= 6.1.2)
+      activesupport (= 6.1.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.1.3)
-      actionpack (= 6.1.3)
-      activejob (= 6.1.3)
-      activerecord (= 6.1.3)
-      activestorage (= 6.1.3)
-      activesupport (= 6.1.3)
+    actionmailbox (6.1.2)
+      actionpack (= 6.1.2)
+      activejob (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
       mail (>= 2.7.1)
-    actionmailer (6.1.3)
-      actionpack (= 6.1.3)
-      actionview (= 6.1.3)
-      activejob (= 6.1.3)
-      activesupport (= 6.1.3)
+    actionmailer (6.1.2)
+      actionpack (= 6.1.2)
+      actionview (= 6.1.2)
+      activejob (= 6.1.2)
+      activesupport (= 6.1.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.1.3)
-      actionview (= 6.1.3)
-      activesupport (= 6.1.3)
+    actionpack (6.1.2)
+      actionview (= 6.1.2)
+      activesupport (= 6.1.2)
       rack (~> 2.0, >= 2.0.9)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.1.3)
-      actionpack (= 6.1.3)
-      activerecord (= 6.1.3)
-      activestorage (= 6.1.3)
-      activesupport (= 6.1.3)
+    actiontext (6.1.2)
+      actionpack (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
       nokogiri (>= 1.8.5)
-    actionview (6.1.3)
-      activesupport (= 6.1.3)
+    actionview (6.1.2)
+      activesupport (= 6.1.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.1.3)
-      activesupport (= 6.1.3)
+    activejob (6.1.2)
+      activesupport (= 6.1.2)
       globalid (>= 0.3.6)
-    activemodel (6.1.3)
-      activesupport (= 6.1.3)
-    activerecord (6.1.3)
-      activemodel (= 6.1.3)
-      activesupport (= 6.1.3)
-    activestorage (6.1.3)
-      actionpack (= 6.1.3)
-      activejob (= 6.1.3)
-      activerecord (= 6.1.3)
-      activesupport (= 6.1.3)
+    activemodel (6.1.2)
+      activesupport (= 6.1.2)
+    activerecord (6.1.2)
+      activemodel (= 6.1.2)
+      activesupport (= 6.1.2)
+    activestorage (6.1.2)
+      actionpack (= 6.1.2)
+      activejob (= 6.1.2)
+      activerecord (= 6.1.2)
+      activesupport (= 6.1.2)
       marcel (~> 0.3.1)
       mimemagic (~> 0.3.2)
-    activesupport (6.1.3)
+    activesupport (6.1.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -112,7 +112,7 @@ GEM
       activesupport (>= 4.2.0)
     hashdiff (1.0.1)
     hashie (4.1.0)
-    i18n (1.8.9)
+    i18n (1.8.8)
       concurrent-ruby (~> 1.0)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
@@ -170,20 +170,20 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (6.1.3)
-      actioncable (= 6.1.3)
-      actionmailbox (= 6.1.3)
-      actionmailer (= 6.1.3)
-      actionpack (= 6.1.3)
-      actiontext (= 6.1.3)
-      actionview (= 6.1.3)
-      activejob (= 6.1.3)
-      activemodel (= 6.1.3)
-      activerecord (= 6.1.3)
-      activestorage (= 6.1.3)
-      activesupport (= 6.1.3)
+    rails (6.1.2)
+      actioncable (= 6.1.2)
+      actionmailbox (= 6.1.2)
+      actionmailer (= 6.1.2)
+      actionpack (= 6.1.2)
+      actiontext (= 6.1.2)
+      actionview (= 6.1.2)
+      activejob (= 6.1.2)
+      activemodel (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
       bundler (>= 1.15.0)
-      railties (= 6.1.3)
+      railties (= 6.1.2)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
@@ -197,9 +197,9 @@ GEM
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 7)
-    railties (6.1.3)
-      actionpack (= 6.1.3)
-      activesupport (= 6.1.3)
+    railties (6.1.2)
+      actionpack (= 6.1.2)
+      activesupport (= 6.1.2)
       method_source
       rake (>= 0.8.7)
       thor (~> 1.0)
@@ -207,7 +207,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.3.0)
+    rdoc (6.2.1)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
@@ -221,7 +221,7 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    sdoc (2.0.4)
+    sdoc (2.0.3)
       rdoc (>= 5.0)
     simplecov (0.18.1)
       docile (~> 1.1)
@@ -251,7 +251,7 @@ GEM
       activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
       railties (>= 6.0.0)
-    webmock (3.12.0)
+    webmock (3.11.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
@@ -282,11 +282,11 @@ DEPENDENCIES
   mysql2 (~> 0.5.2)
   omniauth
   omniauth-github
-  rails (= 6.1.3)
+  rails (= 6.1.2)
   rails-controller-testing
   rails-i18n (~> 6.0.0)
   sassc-rails (~> 2.1.2)
-  sdoc (~> 2.0.4)
+  sdoc (~> 2.0.3)
   sqlite3 (~> 1.4.1)
   turbolinks (~> 5.2.1)
   tzinfo-data

app/scrubbers/translation_content_scrubber.rb

@@ -3,7 +3,7 @@ class TranslationContentScrubber < Rails::Html::PermitScrubber
     super
     self.tags = %w( strong em b i p code pre tt samp kbd var sub
         sup dfn cite big small address hr br div span h1 h2 h3 h4 h5 h6 ul ol li dl dt dd abbr
-        acronym a img blockquote del ins table th tr td thead tbody tfoot u )
+        acronym a img blockquote del ins table th tr td thead tbody tfoot )
     self.attributes = %w( href src width height alt cite datetime title class name xml:lang abbr style
         align border cellpadding cellspacing colspan )
   end