Bump rubygems to version 3.5.9

- Updates rubygems/rubygems from 3.5.7 to 3.5.9

Changelog: changed

Author: dependencies.io Bot

.gitlab-ci.yml

@@ -57,7 +57,7 @@ variables:
   CACHE_EDITION: "CE"
   CACHE_POLICY: 'pull-push'
   ISSUE_BOT_LABELS_EXTRA: "group::distribution"
-  BUNDLER_VERSION: "2.5.7"
+  BUNDLER_VERSION: "2.5.9"
   # NOTE: When `NEXT_RUBY_VERSION` is updated, flip
   # `USE_NEXT_RUBY_VERSION_IN_*` variables to false to avoid surprises.
   NEXT_RUBY_VERSION: "3.1.4"

Gemfile.lock

@@ -649,4 +649,4 @@ DEPENDENCIES
   yard
 
 BUNDLED WITH
-   2.5.5
+   2.5.9

config/software/rubygems.rb

@@ -15,7 +15,7 @@
 #
 
 name 'rubygems'
-default_version '3.5.7'
+default_version '3.5.9'
 
 license 'MIT'
 license_file 'LICENSE.txt'

test-plans/upgrade-rubygems-testplan.md

@@ -6,6 +6,8 @@
 - [ ] Checked rubygems [changelog](https://github.com/rubygems/rubygems/blob/master/CHANGELOG.md) for potential breaking changes.
 - [ ] Checked that the `bundler` gem was updated to the corresponding version
   noted in the changelog.
+- [ ] Checked that the `BUNDLED_WITH` version in the `Gemfile.lock` was updated
+  to the corresponding version noted in the changelog.
 - [ ] Performed a successful GitLab Enterprise Edition (EE) build on gitlab.com
   on all supported platforms (include `build-package-on-all-os` job).
 - [ ] Ran `qa-subset-test` as well as manual `qa-remaining-test-manual` CI/CD