docs: update migration guide

Author: Belco90

docs/migration-guides/v7.md

@@ -4,9 +4,11 @@ If you are not on v6 yet, we recommend first following the [v6 migration guide](
 
 ## Overview
 
-- _(Breaking)_ Supported versions of Node.js have been updated to `^18.18.0`, `^20.9.0`, or `>=21.1.0`, matching ESLint.
-- _(Breaking)_ Supported versions of ESLint have been updated to `^8.57.0`, or `^9.0.0`.
+- **(Breaking)** Supported versions of Node.js have been updated to `^18.18.0`, `^20.9.0`, or `>=21.1.0`, matching ESLint.
+- **(Breaking)** Supported versions of ESLint have been updated to `^8.57.0`, or `^9.0.0`.
+- Full support for ESLint v9 (v8 still compatible) and typescript-eslint v8
 
 ## Steps to upgrade
 
-- Make sure you are using a supported version of Node.js
+1. Make sure you are using a supported version of Node.js, and upgrade if not.
+2. Make sure you are using a supported version of ESLint, and upgrade if not.