permissions list is missing value: pages

[GerryFerdinandus]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#permissions

What changes are you suggesting?

add
pages: read|write|none
to the list

Additional information

This PR SchemaStore/schemastore#1960 add pages to the permission. But the GitHub doc is missing this info.

Also tested with Yaml file. It is accepted by the build server.

permissions:
  pages: read

[taufik0786]

I do this