fix: upgrade @graphql-tools/load from 6.2.5 to 6.2.8

Snyk has created this PR to upgrade @graphql-tools/load from 6.2.5 to 6.2.8.

See this package in npm:
https://www.npmjs.com/package/@graphql-tools/load

See this project in Snyk:
https://app.snyk.io/org/m.s99995959/project/f4c6ac90-fefe-4e2f-84c9-6a1826f144b3?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot