Update typescript-eslint monorepo to v8

Author: renovate[bot]

package.json

@@ -102,8 +102,8 @@
   "devDependencies": {
     "@types/glob": "7.1.4",
     "@types/mocha": "9.0.0",
-    "@typescript-eslint/eslint-plugin": "4.28.5",
-    "@typescript-eslint/parser": "4.28.5",
+    "@typescript-eslint/eslint-plugin": "8.50.0",
+    "@typescript-eslint/parser": "8.50.0",
     "@types/node": "15.3.0",
     "@types/vscode": "1.60.0",
     "eslint": "7.32.0",