build: update knip to version that detects typescript-eslint@v6 configs (#602)

## Overview

Porting in
webpro-nl/knip@7fc31dc
- thanks for the blazingly fast response time & fix @webpro! ❤️ ⚡

Author: JoshuaKGoldberg

knip.jsonc

@@ -10,12 +10,7 @@
 	"ignoreDependencies": [
 		// TODO: investigate if these are still flagged, and file issues if not
 		"all-contributors-cli",
-		"c8",
-
-		// https://github.com/webpro/knip/issues/154
-		"@typescript-eslint/eslint-plugin-strict-type-checked",
-		"@typescript-eslint/eslint-plugin-stylistic",
-		"@typescript-eslint/eslint-plugin-stylistic-type-checked"
+		"c8"
 	],
 	"ignoreExportsUsedInFile": {
 		"interface": true,