Bump graphql from 14.6.0 to 15.0.0 (#7946)

Bumps [graphql](https://github.com/graphql/graphql-js) from 14.6.0 to 15.0.0.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](https://github.com/graphql/graphql-js/compare/v14.6.0...v15.0.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -38,7 +38,7 @@
     "flow-parser": "0.121.0",
     "get-stream": "5.1.0",
     "globby": "11.0.0",
-    "graphql": "14.6.0",
+    "graphql": "15.0.0",
     "html-element-attributes": "2.2.1",
     "html-styles": "1.0.0",
     "html-tag-names": "1.1.5",

yarn.lock

@@ -3843,12 +3843,10 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
 
-graphql@14.6.0:
-  version "14.6.0"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-14.6.0.tgz#57822297111e874ea12f5cd4419616930cd83e49"
-  integrity sha512-VKzfvHEKybTKjQVpTFrA5yUq2S9ihcZvfJAtsDBBCuV6wauPu1xl/f9ehgVf0FcEJJs4vz6ysb/ZMkGigQZseg==
-  dependencies:
-    iterall "^1.2.2"
+graphql@15.0.0:
+  version "15.0.0"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-15.0.0.tgz#042a5eb5e2506a2e2111ce41eb446a8e570b8be9"
+  integrity sha512-ZyVO1xIF9F+4cxfkdhOJINM+51B06Friuv4M66W7HzUOeFd+vNzUn4vtswYINPi6sysjf1M2Ri/rwZALqgwbaQ==
 
 growly@^1.3.0:
   version "1.3.0"
@@ -4509,11 +4507,6 @@ iterable-to-stream@^1.0.1:
   resolved "https://registry.yarnpkg.com/iterable-to-stream/-/iterable-to-stream-1.0.1.tgz#37e86baacf6b1a0e9233dad4eb526d0423d08bf3"
   integrity sha512-O62gD5ADMUGtJoOoM9U6LQ7i4byPXUNoHJ6mqsmkQJcom331ZJGDApWgDESWyBMEHEJRjtHozgIiTzYo9RU4UA==
 
-iterall@^1.2.2:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.3.0.tgz#afcb08492e2915cbd8a0884eb93a8c94d0d72fea"
-  integrity sha512-QZ9qOMdF+QLHxy1QIpUHUU1D5pS2CG2P69LF6L6CPjPYA/XMOmKV3PZpawHoAjHNyB0swdVTRxdYT4tbBbxqwg==
-
 jest-changed-files@^25.2.3:
   version "25.2.3"
   resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-25.2.3.tgz#ad19deef9e47ba37efb432d2c9a67dfd97cc78af"