Auto merge linting dependencies (hestiacp#4088)

Author: AlecRust

renovate.json

@@ -9,16 +9,9 @@
 	],
 	"packageRules": [
 		{
-			"groupName": "Linters",
-			"matchPackagePrefixes": ["@prettier/", "prettier"]
-		},
-		{
-			"groupName": "ESLint",
-			"extends": ["packages:eslint"]
-		},
-		{
-			"groupName": "StyleLint",
-			"extends": ["packages:stylelint"]
+			"matchDepTypes": ["devDependencies"],
+			"matchPackagePatterns": ["lint", "prettier"],
+			"automerge": true
 		}
 	],
 	"enabledManagers": ["npm", "composer", "github-actions"],