chore: update dependency @graphql-yoga/subscription to ^5.1.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/graphql/package.json

@@ -49,7 +49,7 @@
     "!*/__tests__"
   ],
   "dependencies": {
-    "@graphql-yoga/subscription": "^5.0.5",
+    "@graphql-yoga/subscription": "^5.1.1",
     "@loopback/boot": "^8.0.16",
     "@loopback/core": "^7.0.15",
     "@loopback/graphql": "^0.14.2",

extensions/graphql/package.json

@@ -58,7 +58,7 @@
     "ws": "^8.21.3"
   },
   "devDependencies": {
-    "@graphql-yoga/subscription": "^5.0.5",
+    "@graphql-yoga/subscription": "^5.1.1",
     "@loopback/boot": "^8.0.16",
     "@loopback/build": "^12.0.15",
     "@loopback/core": "^7.0.15",