Fix changelog entry for 12.0.1 (#1500)

* Fix changelog entry for 12.0.1

* Update CHANGELOG.md

Author: mbroshi-stripe

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## 12.0.1 - 2025-04-21
-* Serializes boolean query parameter values to `true`/`false` (lower case) before sending to the Stripe API for compatibility with Stripe V2 endpoints
+* [#1499](https://github.com/stripe/stripe-python/pull/1499) Encode bools with lower case
+  - Serializes boolean query parameter values to `true`/`false` (lower case) before sending to the Stripe API for compatibility with Stripe V2 endpoints
+* [#1401](https://github.com/stripe/stripe-python/pull/1401) Fix type hint for SearchResultObject.data
+* [#1493](https://github.com/stripe/stripe-python/pull/1493) Update readme with clarification on resource based call patterns
 
 ## 12.0.0 - 2025-04-01
 * [#1463](https://github.com/stripe/stripe-python/pull/1463) Support for APIs in the new API version 2025-03-31.basil