add esnext.disposable to base tsconfig

Author: suchipi

packages/scripts/base-tsconfig.json

@@ -7,7 +7,7 @@
     "../@test-it/core/globals.d.ts"
   ],
   "compilerOptions": {
-    "lib": ["esnext", "dom"],
+    "lib": ["esnext", "dom", "esnext.disposable"],
     "target": "ES2015",
     "module": "ES2015",