Update dependency graphql-ws to ^5.15.0

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
     "clsx": "^1.2.1",
     "graphiql": "^2.4.1",
     "graphql": "^16.6.0",
-    "graphql-ws": "^5.12.1",
+    "graphql-ws": "^5.15.0",
     "isomorphic-fetch": "^3.0.0",
     "react-is": "^18.2.0",
     "react-string-replace": "^1.1.1",