Rename "Limit access to this project" to "Allow CI/CD job token access"

What does this MR do and why?

For Allow projects to add groups in their CI_JOB_TO... (#415519)

Rename "Limit access to this project" to "Allow CI/CD job token access"

• Rename inbound token access CI/CD settings toggle, reword some of the text around it
• Update all references to it in the documentation
• Add description text to card header

Changelog: changed

to do

• rebase after Updates CI/CD job token docs (!152440 - merged) is merged

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. navigate to a project
2. in the sidebar, choose Settings => CI/CD
3. expand the Job token permissions section (previously known as Token Access)
4. the toggle should now be labeled Allow CI/CD job token access
5. the deprecation alert for the Limit access from this project toggle should refer to Allow CI/CD job token access too