fix: upgrade graphiql from 1.5.19 to 1.5.20

Snyk has created this PR to upgrade graphiql from 1.5.19 to 1.5.20.

See this package in npm:
https://www.npmjs.com/package/graphiql

See this project in Snyk:
https://app.snyk.io/org/brad-1wl/project/91989fce-19b0-4fe1-92ef-0a0486cdc3ea?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -24,7 +24,7 @@
     "event-stream": "3.3.5",
     "fabric": "^1.7.19",
     "focus-visible": "^5.2.0",
-    "graphiql": "^1.5.19",
+    "graphiql": "^1.5.20",
     "graphiql-explorer": "^0.9.0",
     "graphql": "^15.8.0",
     "iframe-resizer": "^4.3.2",