chore(deps): update dependency graphql to ^15.5.0 (#31698)

Co-authored-by: Renovate Bot <[email protected]>
Co-authored-by: Ward Peeters <[email protected]>

Author: 3 people

packages/gatsby-recipes/package.json

@@ -116,7 +116,7 @@
     "@mdx-js/mdx": "^2.0.0-next.4",
     "@mdx-js/react": "^2.0.0-next.4",
     "@mdx-js/runtime": "^2.0.0-next.4",
-    "graphql": "^15.4.0",
+    "graphql": "^15.5.0",
     "property-information": "5.5.0",
     "remark-mdx": "^2.0.0-next.4",
     "remark-mdxjs": "^2.0.0-next.4"

packages/gatsby/package.json

@@ -233,7 +233,7 @@
     "url": "git+https://github.com/gatsbyjs/gatsby.git"
   },
   "resolutions": {
-    "graphql": "^15.0.0",
+    "graphql": "^15.5.0",
     "@mdx-js/mdx": "^2.0.0-next.3",
     "@mdx-js/react": "^2.0.0-next.3",
     "@mdx-js/runtime": "^2.0.0-next.3",