Release/673.0.0 (#7132)

## Explanation

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Patch release of @metamask/subscription-controller --> v4.2.1.

## 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]
> Publish @metamask/subscription-controller v4.2.1 with changelog
updates and bump monorepo version to 673.0.0.
> 
> - **Releases**:
> - `@metamask/subscription-controller` bumped to `4.2.1` with changelog
entry for adding missing `useTestClock` param in
`submitShieldSubscriptionCryptoApproval` (`lastSelectedPaymentMethod`).
>   - Monorepo root `version` bumped to `673.0.0`.
> - **Docs/Meta**:
> - Update `CHANGELOG.md` links: new `[4.2.1]` compare link and updated
`[Unreleased]` target.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
5ace4e5. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: tuna1207

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-monorepo",
-  "version": "672.0.0",
+  "version": "673.0.0",
   "private": true,
   "description": "Monorepo for packages shared between MetaMask clients",
   "repository": {

packages/subscription-controller/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.2.1]
+
 ### Added
 
 - Add missing start crypto `useTestClock` param from `lastSelectedPaymentMethod` in `submitShieldSubscriptionCryptoApproval` ([#7131](https://github.com/MetaMask/core/pull/7131))
@@ -186,7 +188,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Bump `@metamask/controller-utils` from `^11.12.0` to `^11.14.0` ([#6620](https://github.com/MetaMask/core/pull/6620), [#6629](https://github.com/MetaMask/core/pull/6629))
 - Bump `@metamask/utils` from `^11.4.2` to `^11.8.0` ([#6588](https://github.com/MetaMask/core/pull/6588))
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@4.2.0...HEAD
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@4.2.1...HEAD
+[4.2.1]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@4.2.0...@metamask/subscription-controller@4.2.1
 [4.2.0]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@4.1.0...@metamask/subscription-controller@4.2.0
 [4.1.0]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@4.0.0...@metamask/subscription-controller@4.1.0
 [4.0.0]: https://github.com/MetaMask/core/compare/@metamask/subscription-controller@3.3.0...@metamask/subscription-controller@4.0.0

packages/subscription-controller/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/subscription-controller",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "Handle user subscription",
   "keywords": [
     "MetaMask",