chore: update vscode settings (#7537)

Author: btea

.vscode/settings.json

@@ -5,7 +5,7 @@
   ],
 
   // Enable the ESlint flat config support
-  "eslint.experimental.useFlatConfig": true,
+  "eslint.useFlatConfig": true,
 
   // Disable the default formatter, use eslint instead
   "prettier.enable": false,
@@ -46,5 +46,7 @@
     "jsonc",
     "yaml"
   ],
-  "testing.automaticallyOpenTestResults": "neverOpen"
+  "testing.automaticallyOpenTestResults": "neverOpen",
+  // Use the project's typescript version
+  "typescript.tsdk": "node_modules/typescript/lib"
 }