Bump omniauth-saml from 2.1.2 to 2.2.1 (#3618)

Bumps [omniauth-saml](https://github.com/omniauth/omniauth-saml) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/omniauth/omniauth-saml/releases)
- [Changelog](https://github.com/omniauth/omniauth-saml/blob/master/CHANGELOG.md)
- [Commits](omniauth/omniauth-saml@v2.1.2...v2.2.1)

---
updated-dependencies:
- dependency-name: omniauth-saml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -37,7 +37,7 @@ gem 'strong_migrations', '~> 2.0.1'
 gem 'bcrypt', '>= 3.1.13'
 gem 'omniauth', '~> 2.1'
 gem 'omniauth-rails_csrf_protection', '~> 1.0'
-gem 'omniauth-saml', '~> 2.1'
+gem 'omniauth-saml', '~> 2.2'
 
 # Authorization
 gem 'pundit', '2.4.0'

Gemfile.lock

@@ -376,7 +376,7 @@ GEM
     omniauth-rails_csrf_protection (1.0.2)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
-    omniauth-saml (2.1.2)
+    omniauth-saml (2.2.1)
       omniauth (~> 2.1)
       ruby-saml (~> 1.17)
     open4 (1.3.4)
@@ -668,7 +668,7 @@ DEPENDENCIES
   oaisys!
   omniauth (~> 2.1)
   omniauth-rails_csrf_protection (~> 1.0)
-  omniauth-saml (~> 2.1)
+  omniauth-saml (~> 2.2)
   paper_trail (~> 15.2.0)
   pg (~> 1.5.9)
   puma (~> 6.4)