Bump config from 5.5.1 to 5.5.2

Bumps [config](https://github.com/rubyconfig/config) from 5.5.1 to 5.5.2.
- [Release notes](https://github.com/rubyconfig/config/releases)
- [Changelog](https://github.com/rubyconfig/config/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubyconfig/config/commits/5.5.2)

---
updated-dependencies:
- dependency-name: config
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -157,8 +157,9 @@ GEM
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.3.4)
-    config (5.5.1)
+    config (5.5.2)
       deep_merge (~> 1.2, >= 1.2.1)
+      ostruct
     connection_pool (2.4.1)
     crack (1.0.0)
       bigdecimal
@@ -302,6 +303,7 @@ GEM
     omniauth-rails_csrf_protection (1.0.2)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
+    ostruct (0.6.0)
     pagy (9.0.9)
     paper_trail (15.2.0)
       activerecord (>= 6.1)