Bump graphql from 15.3.0 to 15.8.0

Bumps [graphql](https://github.com/graphql/graphql-js) from 15.3.0 to 15.8.0.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](graphql/graphql-js@v15.3.0...v15.8.0)

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

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

package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@types/aws-lambda": "^8.10.64",
     "apollo-server-lambda": "^2.15.1",
-    "graphql": "^15.3.0",
+    "graphql": "^15.8.0",
     "libhoney": "^2.2.1"
   },
   "devDependencies": {

yarn.lock

@@ -4307,10 +4307,10 @@ graphql@^14.5.3:
   dependencies:
     iterall "^1.2.2"
 
-graphql@^15.3.0:
-  version "15.3.0"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-15.3.0.tgz#3ad2b0caab0d110e3be4a5a9b2aa281e362b5278"
-  integrity sha512-GTCJtzJmkFLWRfFJuoo9RWWa/FfamUHgiFosxi/X1Ani4AVWbeyBenZTNX6dM+7WSbbFfTo/25eh0LLkwHMw2w==
+graphql@^15.8.0:
+  version "15.8.0"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-15.8.0.tgz#33410e96b012fa3bdb1091cc99a94769db212b38"
+  integrity sha512-5gghUc24tP9HRznNpV2+FIoq3xKkj5dTQqf4v0CpdPbFVwFkWoxOM+o+2OC9ZSvjEMTjfmG9QT+gcvggTwW1zw==
 
 growly@^1.3.0:
   version "1.3.0"