Update dependency @types/eslint to v8

Author: renovate-bot

package.json

@@ -49,7 +49,7 @@
     "devDependencies": {
         "@ota-meshi/eslint-plugin": "^0.10.0",
         "@ota-meshi/eslint-plugin-svelte": "^0.12.0",
-        "@types/eslint": "^7.2.0",
+        "@types/eslint": "^8.0.0",
         "@types/eslint-scope": "^3.7.0",
         "@types/eslint-visitor-keys": "^1.0.0",
         "@types/mocha": "^9.0.0",