chore(deps-dev): bump graphql-tools from 8.2.5 to 8.2.8

Bumps [graphql-tools](https://github.com/ardatan/graphql-tools/tree/HEAD/packages/graphql-tools) from 8.2.5 to 8.2.8.
- [Release notes](https://github.com/ardatan/graphql-tools/releases)
- [Changelog](https://github.com/ardatan/graphql-tools/blob/master/packages/graphql-tools/CHANGELOG.md)
- [Commits](https://github.com/ardatan/graphql-tools/commits/graphql-tools@8.2.8/packages/graphql-tools)

---
updated-dependencies:
- dependency-name: graphql-tools
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -127,7 +127,7 @@
     "fastify-multipart": "5.3.1",
     "fastify-static": "4.6.1",
     "graphql": "15.8.0",
-    "graphql-tools": "8.2.5",
+    "graphql-tools": "8.2.8",
     "gulp": "4.0.2",
     "gulp-clang-format": "1.0.27",
     "gulp-clean": "0.4.0",