fix(): typescript should be at 4.7.x

Author: boneskull

package.json

@@ -55,7 +55,7 @@
     "request": "^2.47.0",
     "should": "^13.2.1",
     "sinon": "^11.1.2",
-    "typescript": "^4.7.0"
+    "typescript": "~4.7.0"
   },
   "types": "./build/lib/asyncbox.d.ts"
 }