Update dependency @graphql-tools/schema to v10

Author: renovate[bot]

package.json

@@ -7,7 +7,7 @@
   "license": "MIT",
   "dependencies": {
     "@cloudnative/health": "^2.1.2",
-    "@graphql-tools/schema": "^8.3.3",
+    "@graphql-tools/schema": "^10.0.0",
     "@koa/router": "^10.1.1",
     "apollo-server-core": "^3.6.4",
     "apollo-server-koa": "^3.6.4",