CHANGELOG.md in govuk_app_config-9.8.2 vs CHANGELOG.md in govuk_app_config-9.9.0

@@ -1,4 +1,8 @@
+# 9.9.0
+
+* Drop support for Ruby 3.0. The minimum required Ruby version is now 3.1.4.
+
 # 9.8.2
 
 * Fix Ruby 3.3 compatibility ([#343](https://github.com/alphagov/govuk_app_config/pull/343))
 
 # 9.8.1