Update CHANGELOG

Author: matthiasgeihs

packages/subscription-controller/CHANGELOG.md

@@ -16,5 +16,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `getPricing` method ([#6356](https://github.com/MetaMask/core/pull/6356))
 - Add methods `startSubscriptionWithCrypto` and `getCryptoApproveTransactionParams` method ([#6456](https://github.com/MetaMask/core/pull/6456))
 - Added `triggerAccessTokenRefresh` to trigger an access token refresh ([#6374](https://github.com/MetaMask/core/pull/6374))
+- Added `updatePaymentMethodCard` and `updatePaymentMethodCrypto` methods ([#6539](https://github.com/MetaMask/core/pull/6539))
 
 [Unreleased]: https://github.com/MetaMask/core/