Bump @graphql-tools/executor-graphql-ws from 1.3.5 to 1.3.7

Bumps [@graphql-tools/executor-graphql-ws](https://github.com/graphql-hive/gateway/tree/HEAD/packages/executors/graphql-ws) from 1.3.5 to 1.3.7.
- [Release notes](https://github.com/graphql-hive/gateway/releases)
- [Changelog](https://github.com/graphql-hive/gateway/blob/main/packages/executors/graphql-ws/CHANGELOG.md)
- [Commits](https://github.com/graphql-hive/gateway/commits/@graphql-tools/[email protected]/packages/executors/graphql-ws)

---
updated-dependencies:
- dependency-name: "@graphql-tools/executor-graphql-ws"
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>