[Doc] Update release notes

[jcalcaben]

Description

Updates the release notes with information about the home page.

Related Issue

Follow up for #2565

Acceptance

@dpatil-magento

Verification Stakeholders

@dpatil-magento

Specification

Verification Steps

1. Open CHANGELOG.md
2. Verify content is accurate

Screenshots / Screen Captures (if appropriate)

Checklist

• I have added tests to cover my changes, if necessary.

• I have updated the documentation accordingly, if necessary.

[PWAStudioBot]

	Fails
🚫	No linked issue found. Please link a relevant open issue by adding the text "closes #<issue_number>" or "closes JIRA-<issue_number>" in your PR.
🚫	A version label is required. A maintainer must add one.

	Messages
📖	Access a deployed version of this PR here. Make sure to wait for the "pwa-pull-request-deploy" job to complete.
📖	DangerCI Failures related to missing labels/description/linked issues/etc will persist until the next push or next nightly build run (assuming they are fixed).

Generated by 🚫 dangerJS against 98b269c

[devops-pwa-codebuild]

Performance Test Results

The following fails have been reported by WebpageTest. These numbers indicates a possible performance issue with the PR which requires further manual testing to validate.

https://pr-2568.pwa-venia.com : LH Performance Expected 0.85 Actual 0.57, LH Best Practices Expected 1 Actual 0.92
https://pr-2568.pwa-venia.com/venia-tops.html : LH Performance Expected 0.75 Actual 0.33, LH Best Practices Expected 1 Actual 0.92
https://pr-2568.pwa-venia.com/valeria-two-layer-tank.html : LH Performance Expected 0.8 Actual 0.49, LH Accessibility Expected 0.9 Actual 0.89, LH Best Practices Expected 1 Actual 0.92

[cherdman]

Approved