fix: Add increase allowance changelog entry (#24004)

<!--
Please submit this PR as a draft initially.
Do not mark it as "Ready for review" until the template has been
completely filled out, and PR status checks have passed at least once.
-->

## **Description**

<!--
Write a short description of the changes included in this pull request,
also include relevant motivation and context. Have in mind the following
questions:
1. What is the reason for the change?
2. What is the improvement/solution?
-->

[![Open in GitHub
Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/MetaMask/metamask-extension/pull/24004?quickstart=1)

## **Related issues**

Fixes:

## **Manual testing steps**

1. Go to this page...
2.
3.

## **Screenshots/Recordings**

<!-- If applicable, add screenshots and/or recordings to visualize the
before and after of your change. -->

### **Before**

<!-- [screenshots/recordings] -->

### **After**

<!-- [screenshots/recordings] -->

## **Pre-merge author checklist**

- [ ] I’ve followed [MetaMask Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
- [ ] I’ve included tests if applicable
- [ ] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [ ] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

CHANGELOG.md

@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Enabled Base network support for swaps ([#23394](https://github.com/MetaMask/metamask-extension/pull/23394))
 - Introduced a 'What's New' notification for MetaMask Portfolio ([#23359](https://github.com/MetaMask/metamask-extension/pull/23359))
 - Activated Snaps home pages in the stable release ([#23383](https://github.com/MetaMask/metamask-extension/pull/23383))
+- Added a custom screen for `increaseAllowance` contract interactions ([#23883](https://github.com/MetaMask/metamask-extension/pull/23883))
 - [MMI] Enhanced the custody view with a search bar ([#23492](https://github.com/MetaMask/metamask-extension/pull/23492))
 - [MMI] Implemented message text verification for contract call operations ([#23462](https://github.com/MetaMask/metamask-extension/pull/23462))