[Snyk] Security upgrade omniauth from 2.1.1 to 2.1.2 (#5669)

* fix: Gemfile & Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-1061917



* Update Gemfile.lock

---------

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: Ahmad Farhat <ahmad.af.farhat@gmail.com>

Gemfile.lock

@@ -323,7 +323,8 @@ GEM
       faraday-follow_redirects
       json-jwt (>= 1.11.0)
       rack (>= 2.1.0)
-    rack-protection (3.1.0)
+    rack-protection (3.2.0)
+      base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-session (1.0.2)
       rack (< 3)