Merge pull request #2232 from alphagov/dependabot/bundler/bootsnap-1.18.6

Author: govuk-ci

Gemfile.lock

@@ -80,7 +80,7 @@ GEM
     base64 (0.2.0)
     benchmark (0.4.0)
     bigdecimal (3.1.9)
-    bootsnap (1.18.5)
+    bootsnap (1.18.6)
       msgpack (~> 1.2)
     brakeman (7.0.0)
       racc