Release/836.0.0 (#8046)

## 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/processes/updating-changelogs.md)
- [ ] I've introduced [breaking
changes](https://github.com/MetaMask/core/tree/main/docs/processes/breaking-changes.md)
in this PR and have prepared draft pull requests for clients and
consumer packages to resolve them

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Version/changelog/package metadata updates only; no runtime code
changes in this diff.
> 
> **Overview**
> Bumps the monorepo release version to `836.0.0` and publishes
`@metamask/assets-controller` as `2.1.0`.
> 
> Updates the `@metamask/assets-controller` changelog to cut a `2.1.0`
release section and adjusts the compare links accordingly.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
433b6c5. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: salimtb

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-monorepo",
-  "version": "835.0.0",
+  "version": "836.0.0",
   "private": true,
   "description": "Monorepo for packages shared between MetaMask clients",
   "repository": {

packages/assets-controller/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 `PendingTokenMetadata` type and optional `pendingMetadata` parameter to `addCustomAsset(accountId, assetId, pendingMetadata?)`. When provided (e.g. from the extension's pending-tokens flow), token metadata is written to `assetsInfo` immediately so the UI can render the token without waiting for the pipeline ([#8021](https://github.com/MetaMask/core/pull/8021))
@@ -126,7 +128,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Refactor `RpcDataSource` to delegate polling to `BalanceFetcher` and `TokenDetector` services ([#7709](https://github.com/MetaMask/core/pull/7709))
 - Refactor `BalanceFetcher` and `TokenDetector` to extend `StaticIntervalPollingControllerOnly` for independent polling management ([#7709](https://github.com/MetaMask/core/pull/7709))
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@2.0.2...HEAD
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@2.1.0...HEAD
+[2.1.0]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@2.0.2...@metamask/assets-controller@2.1.0
 [2.0.2]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@2.0.1...@metamask/assets-controller@2.0.2
 [2.0.1]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@2.0.0...@metamask/assets-controller@2.0.1
 [2.0.0]: https://github.com/MetaMask/core/compare/@metamask/assets-controller@1.0.0...@metamask/assets-controller@2.0.0

packages/assets-controller/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@metamask/assets-controller",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "description": "Tracks assets balances/prices and handles token detection across all digital assets",
   "keywords": [
     "MetaMask",