chore:(deps): bump graphql from 15.5.3 to 15.6.0

Bumps [graphql](https://github.com/graphql/graphql-js) from 15.5.3 to 15.6.0.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](graphql/graphql-js@v15.5.3...v15.6.0)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "d3-shape": "^1.3.5",
     "d3-transition": "^1.2.0",
     "d3-zoom": "^1.8.3",
-    "graphql": "^15.5.3",
+    "graphql": "^15.6.0",
     "graphql-tag": "^2.12.5",
     "iso8601-duration": "^1.3.0",
     "lodash-es": "^4.17.21",