Merge pull request #1675 from alphagov/dependabot/bundler/mongoid-8.1.2

Bump mongoid from 8.1.1 to 8.1.2

Author: dnkrj

Gemfile.lock

@@ -230,7 +230,7 @@ GEM
     minitest (5.19.0)
     mongo (2.19.1)
       bson (>= 4.14.1, < 5.0.0)
-    mongoid (8.1.1)
+    mongoid (8.1.2)
       activemodel (>= 5.1, < 7.1, != 7.0.0)
       concurrent-ruby (>= 1.0.5, < 2.0)
       mongo (>= 2.18.0, < 3.0.0)