CHANGELOG.md in govuk_app_config-1.15.1 vs CHANGELOG.md in govuk_app_config-1.16.0

@@ -1,4 +1,8 @@
+# 1.16.0
+
+* Add a DoubleClick domain to our content security policy.
+
 # 1.15.1
 
 * Fix the `UNICORN_TIMEOUT` setting, which previously resulted in a
   crash on start.