fix(transaction-pay-controller): fix changelog placeholder and add rpcRequest entry

Author: matthewwalsh0

packages/transaction-pay-controller/CHANGELOG.md

@@ -10,7 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Bump `@metamask/gas-fee-controller` from `^26.2.1` to `^26.2.2` ([#8834](https://github.com/MetaMask/core/pull/8834))
-- `getLiveTokenBalance` now prefers the Infura RPC endpoint for a chain when querying live token balances, falling back to the chain's default endpoint if no Infura endpoint is configured ([#XXXX](https://github.com/MetaMask/core/pull/XXXX))
+- `getLiveTokenBalance` now prefers the Infura RPC endpoint for a chain when querying live token balances, falling back to the chain's default endpoint if no Infura endpoint is configured ([#8839](https://github.com/MetaMask/core/pull/8839))
+- `rpcRequest` now accepts a single options object instead of positional parameters, and supports a generic type parameter for typed responses ([#8839](https://github.com/MetaMask/core/pull/8839))
 
 ### Fixed