Maintenance: Update dependency omniauth-google-oauth2 to v1.2.0

Gemfile.lock

@@ -254,8 +254,9 @@ GEM
       railties (>= 5.0.0)
     faker (3.4.2)
       i18n (>= 1.8.11, < 2)
-    faraday (2.11.0)
+    faraday (2.12.0)
       faraday-net_http (>= 2.0, < 3.4)
+      json
       logger
     faraday-mashify (0.1.1)
       faraday (~> 2.0)