Dashboard: Update announcement banner (#8404)

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## PR-Codex overview
This PR focuses on updating the `label` prop of the `AnnouncementBannerUI` component to provide more detailed information about recent changes related to Wallets in the Project Dashboard.

### Detailed summary
- Updated the `label` prop of the `AnnouncementBannerUI` component from:
  - "Project View Update - Wallets"
  - To: "Transactions, Vault, and Account Abstraction are now part of Wallets in Project Dashboard. View changes"

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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

* **New Features**
  * Updated dashboard announcement banner with information about recent Wallets feature changes, including details on Transactions, Vault, and Account Abstraction integration.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: MananTank

apps/dashboard/src/@/components/misc/AnnouncementBanner.tsx

@@ -47,7 +47,7 @@ export function AnnouncementBanner() {
   return (
     <AnnouncementBannerUI
       href="https://blog.thirdweb.com/changelog/project-view-update-wallets/"
-      label="Project View Update - Wallets"
+      label="Transactions, Vault, and Account Abstraction are now part of Wallets in Project Dashboard. View changes"
       trackingLabel="project-view-update-wallets"
     />
   );