CHANGELOG.md in fastly-8.6.0 vs CHANGELOG.md in fastly-8.7.0

@@ -1,6 +1,13 @@
 # Changelog
 
+## [v8.7.0](https://github.com/fastly/fastly-ruby/releases/tag/release/v8.7.0) (2024-08-08)
+
+**Bug fixes:**
+
+- fix(billing): Adjust type of regional data to help the generator
+- fix(billing): Correct type of invoice_id field
+
 ## [v8.6.0](https://github.com/fastly/fastly-ruby/releases/tag/release/v8.6.0) (2024-08-04)
 
 **Enhancements:**
 
 - feat(observability): Adds new Observability Custom Dashboards API