docs: update changeset

Co-authored-by: Copilot <[email protected]>

Author: G-Rath

.changeset/brown-eels-care.md

@@ -2,4 +2,4 @@
 "eslint-plugin-vue": minor
 ---
 
-Added [new configs](https://eslint.vuejs.org/user-guide/#bundle-configurations-eslint-config-js) `strongly-recommended-error` and `recommended-error` with all rules' severity set to `error`
+Added [new `-error` config variants](https://eslint.vuejs.org/user-guide/#bundle-configurations-eslint-config-js): `strongly-recommended-error`, `recommended-error`, `vue2-strongly-recommended-error`, `vue2-recommended-error`, and their flat config equivalents, with all rules' severity set to `error`.