Release/677.0.0 (#7147)

## Explanation

Major bump of the `@metamask/notification-services-controller` from
`19.0.0` to `20.0.0`

Extension Preview:
MetaMask/metamask-extension#37709
Mobile Preview: MetaMask/metamask-mobile#22539

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## References

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## Checklist

- [x] I've updated the test suite for new or updated code as appropriate
- [x] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [x] I've communicated my changes to consumers by [updating changelogs
for packages I've
changed](https://github.com/MetaMask/core/tree/main/docs/contributing.md#updating-changelogs),
highlighting breaking changes as necessary
- [x] I've prepared draft pull requests for clients and consumer
packages to resolve any breaking changes

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Publishes core 677.0.0 and updates
`@metamask/notification-services-controller` to 20.0.0 with breaking
Notification API v3 migration documented.
> 
> - **Release**
>   - Bump monorepo `version` to `677.0.0` in `package.json`.
> - **@metamask/notification-services-controller (20.0.0)**
>   - `package.json`: version bump to `20.0.0`.
> - `CHANGELOG.md`: document breaking migration from Notification API v2
to v3, including:
> - Endpoint changes to `/api/v3/notifications` and request format
update (`{ addresses: string[], locale?: string }`).
> - Response structure updates with `notification_type` and nested
payloads; new platform notifications with templates.
> - Type and function renames; import path updates to
`api-notifications`.
> - Auto-expiry reduced to 30 days; optional `locale` support in
controller constructor.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
584085c. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: Prithpal-Sooriya

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-monorepo",
-  "version": "676.0.0",
+  "version": "677.0.0",
   "private": true,
   "description": "Monorepo for packages shared between MetaMask clients",
   "repository": {

packages/notification-services-controller/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [20.0.0]
+
 ### Changed
 
 - **BREAKING:** Moved Notification API from v2 to v3 ([#7102](https://github.com/MetaMask/core/pull/7102))
@@ -618,7 +620,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial release
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@19.0.0...HEAD
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@20.0.0...HEAD
+[20.0.0]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@19.0.0...@metamask/notification-services-controller@20.0.0
 [19.0.0]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@18.3.1...@metamask/notification-services-controller@19.0.0
 [18.3.1]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@18.3.0...@metamask/notification-services-controller@18.3.1
 [18.3.0]: https://github.com/MetaMask/core/compare/@metamask/notification-services-controller@18.2.0...@metamask/notification-services-controller@18.3.0

packages/notification-services-controller/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/notification-services-controller",
-  "version": "19.0.0",
+  "version": "20.0.0",
   "description": "Manages New MetaMask decentralized Notification system",
   "keywords": [
     "MetaMask",