allow ReScript v11 as valid peer

Author: cometkim

package.json

@@ -27,7 +27,7 @@
     "src/Vitest.res"
   ],
   "peerDependencies": {
-    "rescript": "^10.1.0",
+    "rescript": "^10.1.0 || ^11.0.0-alpha.0",
     "vite": "^2.0.0 || ^3.0.0 || ^4.0.0"
   },
   "dependencies": {