fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - @graphql-tools/load-files from 6.0.18 to 6.6.1.
    See this package in npm: https://www.npmjs.com/package/@graphql-tools/load-files
  - @graphql-tools/schema from 6.0.18 to 6.2.4.
    See this package in npm: https://www.npmjs.com/package/@graphql-tools/schema
  - @graphql-tools/merge from 6.0.18 to 6.2.17.
    See this package in npm: https://www.npmjs.com/package/@graphql-tools/merge
  - graphql from 15.6.0 to 15.9.0.
    See this package in npm: https://www.npmjs.com/package/graphql
  - graphql-yoga from 3.0.0-next.12 to 3.9.1.
    See this package in npm: https://www.npmjs.com/package/graphql-yoga

See this project in Snyk:
https://app.snyk.io/org/sammyfilly/project/35095960-7cdf-453a-a898-444926589774?utm_source=github&utm_medium=referral&page=upgrade-pr

examples/with-typescript-graphql/package.json

@@ -10,11 +10,11 @@
   "dependencies": {
     "@apollo/client": "^3.5.10",
     "graphql-tag": "^2.12.6",
-    "@graphql-tools/load-files": "6.0.18",
-    "graphql-yoga": "three",
-    "@graphql-tools/merge": "6.0.18",
-    "@graphql-tools/schema": "6.0.18",
-    "graphql": "15.6.0",
+    "@graphql-tools/load-files": "6.6.1",
+    "graphql-yoga": "3.9.1",
+    "@graphql-tools/merge": "6.2.17",
+    "@graphql-tools/schema": "6.2.4",
+    "graphql": "15.9.0",
     "next": "^12.1.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"