Release/623.0.0 (#6843)

## Explanation

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## References

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## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] 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
- [ ] I've prepared draft pull requests for clients and consumer
packages to resolve any breaking changes

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Release @metamask/core-backend 2.1.0 with a new AccountActivityService
trace hook and WebSocket connection race fix; update dependent packages
and monorepo version.
> 
> - **Packages**:
>   - **`@metamask/core-backend`**:
>     - Bump version to `2.1.0` and update `CHANGELOG.md`.
> - Added optional `traceFn` to `AccountActivityService` constructor.
> - Fixed race condition in `BackendWebSocketService.connect()` to
prevent duplicate connections.
>     - Updated changelog compare links.
>   - **`@metamask/assets-controllers`**:
>     - Dev dependency `@metamask/core-backend` updated to `^2.1.0`.
> - **Monorepo**:
>   - Bump root version to `623.0.0`.
>   - Update `yarn.lock` to reflect `core-backend@^2.1.0`.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
458b88e. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: Kriys94

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-monorepo",
-  "version": "622.0.0",
+  "version": "623.0.0",
   "private": true,
   "description": "Monorepo for packages shared between MetaMask clients",
   "repository": {

packages/assets-controllers/package.json

@@ -84,7 +84,7 @@
     "@metamask/accounts-controller": "^33.1.1",
     "@metamask/approval-controller": "^7.2.0",
     "@metamask/auto-changelog": "^3.4.4",
-    "@metamask/core-backend": "^2.0.0",
+    "@metamask/core-backend": "^2.1.0",
     "@metamask/ethjs-provider-http": "^0.3.0",
     "@metamask/keyring-controller": "^23.1.1",
     "@metamask/keyring-internal-api": "^9.0.0",

packages/core-backend/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.1.0]
+
 ### Added
 
 - Add optional `traceFn` parameter to `AccountActivityService` constructor for performance tracing integration ([#6842](https://github.com/MetaMask/core/pull/6842))
@@ -79,7 +81,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **Type definitions** - Comprehensive TypeScript types for transactions, balances, WebSocket messages, and service configurations
 - **Logging infrastructure** - Structured logging with module-specific loggers for debugging and monitoring
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/[email protected]
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/[email protected]
+[2.1.0]: https://github.com/MetaMask/core/compare/@metamask/[email protected]...@metamask/[email protected]
 [2.0.0]: https://github.com/MetaMask/core/compare/@metamask/[email protected]...@metamask/[email protected]
 [1.0.1]: https://github.com/MetaMask/core/compare/@metamask/[email protected]...@metamask/[email protected]
 [1.0.0]: https://github.com/MetaMask/core/releases/tag/@metamask/[email protected]

packages/core-backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-backend",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Core backend services for MetaMask",
   "keywords": [
     "MetaMask",

yarn.lock

@@ -2757,7 +2757,7 @@ __metadata:
     "@metamask/base-controller": "npm:^8.4.1"
     "@metamask/contract-metadata": "npm:^2.4.0"
     "@metamask/controller-utils": "npm:^11.14.1"
-    "@metamask/core-backend": "npm:^2.0.0"
+    "@metamask/core-backend": "npm:^2.1.0"
     "@metamask/eth-query": "npm:^4.0.0"
     "@metamask/ethjs-provider-http": "npm:^0.3.0"
     "@metamask/keyring-api": "npm:^21.0.0"
@@ -3084,7 +3084,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@metamask/core-backend@npm:^2.0.0, @metamask/core-backend@workspace:packages/core-backend":
+"@metamask/core-backend@npm:^2.1.0, @metamask/core-backend@workspace:packages/core-backend":
   version: 0.0.0-use.local
   resolution: "@metamask/core-backend@workspace:packages/core-backend"
   dependencies: