fix(sirv-cli): attach sirv@2.x version

Author: lukeed

packages/sirv-cli/package.json

@@ -26,7 +26,7 @@
     "local-access": "^1.0.1",
     "sade": "^1.6.0",
     "semiver": "^1.0.0",
-    "sirv": "^1.0.13",
+    "sirv": "^2.0.0",
     "tinydate": "^1.0.0"
   }
-}
+}