Update recursive-open-struct with ruby 2.7 fix

This is used by Kubeclient.

See https://gitlab.com/gitlab-org/gitlab/-/issues/216375 and the
upstream issue https://github.com/abonas/kubeclient/issues/432

Gemfile.lock

@@ -857,7 +857,7 @@ GEM
     re2 (1.2.0)
     recaptcha (4.13.1)
       json
-    recursive-open-struct (1.1.0)
+    recursive-open-struct (1.1.1)
     redis (4.1.3)
     redis-actionpack (5.2.0)
       actionpack (>= 5, < 7)

changelogs/unreleased/update-recursive-open-struct-gem.yml

+---
+title: Update recursive-open-struct to 1.1.1 to make it compatible with ruby 2.7
+merge_request: 31047
+author:
+type: fixed