chore: add missing code owner rules

Author: Jwhiles

.github/CODEOWNERS

@@ -38,7 +38,7 @@
 
 ## Earn Team
 /packages/earn-controller                   @MetaMask/metamask-earn
-/packages/cash-account-service               @MetaMask/metamask-earn
+/packages/cash-account-service              @MetaMask/metamask-earn
 
 ## Social AI Team
 /packages/ai-controllers                    @MetaMask/social-ai
@@ -134,6 +134,9 @@
 /packages/assets-controllers/CHANGELOG.md         @MetaMask/metamask-assets @MetaMask/core-platform
 /packages/assets-controller/package.json          @MetaMask/metamask-assets @MetaMask/core-platform
 /packages/assets-controller/CHANGELOG.md          @MetaMask/metamask-assets @MetaMask/core-platform
+
+/packages/cash-account-service/package.json       @MetaMask/metamask-earn @MetaMask/core-platform
+/packages/cash-account-service/CHANGELOG.md       @MetaMask/metamask-earn @MetaMask/core-platform
 /packages/chain-agnostic-permission/package.json  @MetaMask/wallet-integrations @MetaMask/core-platform
 /packages/chain-agnostic-permission/CHANGELOG.md  @MetaMask/wallet-integrations @MetaMask/core-platform
 /packages/delegation-controller/package.json      @MetaMask/delegation @MetaMask/core-platform