Bump graphiql from 0.11.11 to 1.4.7 in /graphql/enterprise

Bumps [graphiql](https://github.com/graphql/graphiql) from 0.11.11 to 1.4.7.
- [Release notes](https://github.com/graphql/graphiql/releases)
- [Changelog](https://github.com/graphql/graphiql/blob/main/CHANGELOG.md)
- [Commits](https://github.com/graphql/graphiql/compare/v0.11.11...graphiql@1.4.7)

---
updated-dependencies:
- dependency-name: graphiql
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

graphql/enterprise/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "graphiql": "^0.11.11",
+    "graphiql": "^1.4.7",
     "primer-css": "^6.0.0",
     "react": "^15.5.4",
     "react-dom": "^16.0.1"