Revert "Update @typescript-eslint (#82)"

This reverts commit 9b65605.

Author: sindresorhus

package.json

@@ -45,15 +45,15 @@
 		"simple"
 	],
 	"devDependencies": {
-		"@typescript-eslint/eslint-plugin": "^7.0.2",
-		"@typescript-eslint/parser": "^7.0.2",
+		"@typescript-eslint/eslint-plugin": "^6.21.0",
+		"@typescript-eslint/parser": "^6.21.0",
 		"ava": "^2.4.0",
 		"eslint": "^8.56.0",
 		"typescript": "^5.3.3"
 	},
 	"peerDependencies": {
-		"@typescript-eslint/eslint-plugin": ">=7.0.2",
-		"@typescript-eslint/parser": ">=7.0.2",
+		"@typescript-eslint/eslint-plugin": ">=6.21.0",
+		"@typescript-eslint/parser": ">=6.21.0",
 		"eslint": ">=8.56.0",
 		"typescript": ">=5.0.0"
 	}