Out-of-date links in resolver docs

[rmcloughlin]

Issue workflow progress

Progress of the issue based on the Contributor Workflow

• [ ] 1. The issue provides a reproduction available on Github, Stackblitz or CodeSandbox

  Make sure to fork this template and run yarn generate in the terminal.

  Please make sure the GraphQL Tools package versions under package.json matches yours.

• [ ] 2. A failing test has been provided
• [ ] 3. A local solution has been provided
• [ ] 4. A pull request is pending review

---

Describe the bug

In the Resolver Function Signature section of the docs, there are two links to https://github.com/graphql/express-graphql#options/ in steps 1 and 3. This link is to an archived GitHub repository and the #options anchor doesn't work.

To Reproduce Steps to reproduce the behavior:

See above

Expected behavior

The links in the docs should go to a more appropriate place.

Environment:

N/A

Additional context

None