CHANGELOG.md in govuk_app_config-1.20.0 vs CHANGELOG.md in govuk_app_config-1.20.1

@@ -1,4 +1,8 @@
+# 1.20.1
+
+* Fix regression in error reporting code which caused an error.
+
 # 1.20.0
 
 * Fix CSP in development
 * Add `youtube-nocookie.com` to consent security policy
 * Update dependencies