Merge pull request #2461 from alphagov/dependabot/bundler/mongo-2.23.0

Author: govuk-ci

Gemfile.lock

@@ -273,7 +273,7 @@ GEM
     mini_portile2 (2.8.9)
     minitest (6.0.1)
       prism (~> 1.5)
-    mongo (2.22.0)
+    mongo (2.23.0)
       base64
       bson (>= 4.14.1, < 6.0.0)
     mongoid (9.0.10)