fix: pin @modelcontextprotocol/sdk to 1.10.2 in JS tests

Author: DaleSeo

crates/rmcp/tests/test_with_js/package.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.10",
+    "@modelcontextprotocol/sdk": "1.10.2",
     "eventsource-parser": "^3.0.1",
     "express": "^5.1.0"
   },