change graphql version

Signed-off-by: Andrew Johnson <ajohnson@gocardless.com>

plugins/github-deployments/package.json

@@ -27,7 +27,7 @@
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
-    "@octokit/graphql": "^4.6.1",
+    "@octokit/graphql": "^4.5.8",
     "luxon": "^1.26.0",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",