Update omniauth-cas to version 3.0.0 (#28683)

Gemfile

@@ -39,9 +39,8 @@ end
 
 gem 'net-ldap', '~> 0.18'
 
-# TODO: Point back at released omniauth-cas gem when PR merged
+# TODO: Point back at released omniauth-cas gem when new version is released
-# https://github.com/dlindahl/omniauth-cas/pull/68
+gem 'omniauth-cas', github: 'dlindahl/omniauth-cas', ref: '9d9d3a91b316c55d49ab6e621977f2067010c5bf'
-gem 'omniauth-cas', github: 'stanhu/omniauth-cas', ref: '4211e6d05941b4a981f9a36b49ec166cecd0e271'
 gem 'omniauth-saml', '~> 2.0'
 gem 'omniauth_openid_connect', '~> 0.6.1'
 gem 'omniauth', '~> 2.0'

Gemfile.lock

@@ -7,6 +7,16 @@ GIT
       hkdf (~> 0.2)
       jwt (~> 2.0)
 
+GIT
+  remote: https://github.com/dlindahl/omniauth-cas.git
+  revision: 9d9d3a91b316c55d49ab6e621977f2067010c5bf
+  ref: 9d9d3a91b316c55d49ab6e621977f2067010c5bf
+  specs:
+    omniauth-cas (3.0.0)
+      addressable (~> 2.8)
+      nokogiri (~> 1.12)
+      omniauth (~> 2.1)
+
 GIT
   remote: https://github.com/jhawthorn/nsa.git
   revision: e020fcc3a54d993ab45b7194d89ab720296c111b
@@ -18,16 +28,6 @@ GIT
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
 
-GIT
-  remote: https://github.com/stanhu/omniauth-cas.git
-  revision: 4211e6d05941b4a981f9a36b49ec166cecd0e271
-  ref: 4211e6d05941b4a981f9a36b49ec166cecd0e271
-  specs:
-    omniauth-cas (2.0.0)
-      addressable (~> 2.3)
-      nokogiri (~> 1.5)
-      omniauth (>= 1.2, < 3)
-
 GEM
   remote: https://rubygems.org/
   specs: