fix(deps): update dependency @azure/functions to v4

Author: renovate[bot]

package-lock.json

@@ -54,7 +54,7 @@
   },
   "dependencies": {
     "@apollo/server": "^4.1.1",
-    "@azure/functions": "^3.2.0",
+    "@azure/functions": "^4.0.0",
     "@azure/functions-v4": "npm:@azure/functions@^4.5.0",
     "graphql": "^16.6.0",
     "graphql-tag": "^2.12.6",