CHANGELOG.md in govuk_ab_testing-2.4.2 vs CHANGELOG.md in govuk_ab_testing-2.4.3

@@ -1,4 +1,9 @@
+## 2.4.3
+
+* Updated gem dependencies and development ruby version to 3.0.5
+* Fixed new rubocop violations
+
 ## 2.4.2
 
 * Updated gem dependencies and development ruby version to 2.6.6
 * Fixed new rubocop violations