CHANGELOG.md in graphql-metrics-4.1.0 vs CHANGELOG.md in graphql-metrics-5.0.0

@@ -1,4 +1,7 @@
+5.0.0
+-----
+- [50](https://github.com/Shopify/graphql-metrics/pull/50) Capture metrics for directives and their arguments.
 4.1.0
 -----
 - [42](https://github.com/Shopify/graphql-metrics/pull/42) Capture timing of the `lex` phase.
 
 4.0.6