fix: upgrade @graphql-tools/links from 6.2.4 to 6.2.5

Snyk has created this PR to upgrade @graphql-tools/links from 6.2.4 to 6.2.5.

See this package in npm:
https://www.npmjs.com/package/@graphql-tools/links

See this project in Snyk:
https://app.snyk.io/org/acinader/project/8c1a9edb-c8f5-4dc1-b221-4d6030a323eb?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -20,7 +20,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@apollographql/graphql-playground-html": "1.6.26",
-    "@graphql-tools/links": "6.2.4",
+    "@graphql-tools/links": "6.2.5",
     "@graphql-tools/stitch": "6.2.4",
     "@graphql-tools/utils": "6.2.4",
     "@parse/fs-files-adapter": "1.2.0",