[8.10] Upgrade graphql 16.6.0→16.8.1 (elastic#166779) (elastic#166871)

# Backport

This will backport the following commits from `main` to `8.10`:
- [Upgrade graphql 16.6.0→16.8.1
(elastic#166779)](elastic#166779)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Jeramy
Soucy","email":"[email protected]"},"sourceCommit":{"committedDate":"2023-09-20T17:54:08Z","message":"Upgrade
graphql 16.6.0→16.8.1 (elastic#166779)\n\n## Summary\r\n\r\nUpgrades `graphql`
from v16.6.1 to
v16.8.1","sha":"61bad62aaa322dce11f462ac5f3422f2be3dcd60","branchLabelMapping":{"^v8.11.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Security","release_note:skip","backport:prev-minor","v8.11.0","v8.10.2"],"number":166779,"url":"https://github.com/elastic/kibana/pull/166779","mergeCommit":{"message":"Upgrade
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graphql 16.6.0→16.8.1 (elastic#166779)\n\n## Summary\r\n\r\nUpgrades `graphql`
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BACKPORT-->

Co-authored-by: Jeramy Soucy <[email protected]>

yarn.lock

@@ -17562,9 +17562,9 @@ graphql-tag@^2.12.6:
     tslib "^2.1.0"
 
 graphql@^16.6.0:
-  version "16.6.0"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-16.6.0.tgz#c2dcffa4649db149f6282af726c8c83f1c7c5fdb"
-  integrity sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw==
+  version "16.8.1"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-16.8.1.tgz#1930a965bef1170603702acdb68aedd3f3cf6f07"
+  integrity sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==
 
 gulp-brotli@^3.0.0:
   version "3.0.0"