[Min/Max Quantities Edit Support] Release Notes

[toupper]

Closes: #12812

Description

With this PR we add the Release Notes for editing support for the Min/Max Quantities extension in product details.

Testing instructions

N/A

Screenshots

N/A

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• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 18.8. This milestone is due in less than 2 days. Please make sure to get it merged by then or assign it to a milestone with a later deadline.

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[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce iOS by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce iOS
	Build Number	pr12813-24571e1
	Version	18.7
	Bundle ID	com.automattic.alpha.woocommerce
	Commit	24571e1
	App Center Build	WooCommerce - Prototype Builds #9201

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