CHANGELOG.md in fastly-5.2.1 vs CHANGELOG.md in fastly-5.2.2

@@ -1,6 +1,12 @@
 # Changelog
 
+## [v5.2.2](https://github.com/fastly/fastly-ruby/releases/tag/release/v5.2.2) (2023-06-23)
+
+**Bug fixes:**
+
+- fix(historical_stats): generate missing models.
+
 ## [v5.2.1](https://github.com/fastly/fastly-ruby/releases/tag/release/v5.2.1) (2023-06-21)
 
 **Bug fixes:**
 
 - fix(tls_activation): add tls_configuration and tls_domains.