Merge pull request #1715 from alphagov/dependabot/bundler/byebug-12.0.0

Bump byebug from 11.1.3 to 12.0.0

Author: matthillco

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     brakeman (7.0.0)
       racc
     builder (3.3.0)
-    byebug (11.1.3)
+    byebug (12.0.0)
     capybara (3.40.0)
       addressable
       matrix