Fix broken guide links

[akhilgkrishnan]

Detail

This Pull Request fixes the broken guide links in 7-0-stable.

Checklist

Before submitting the PR make sure the following are checked:

• This Pull Request is related to one change. Unrelated changes should be opened in separate PRs.
• Commit message has a detailed description of what changed and why. If this PR fixes a related issue include it in the commit message. Ex: [Fix #issue-number]
• Tests are added or updated if you fix a bug or add a feature.
• CHANGELOG files are updated for the changed libraries if there is a behavior change or additional feature. Minor bug fixes and documentation changes should not be included.

[rafaelfranca]

Rails 7.0 doesn't receive bug fixes anymore. Thank you for the pull request

[zzak]

@akhilgkrishnan If you're interested in picking this up, #47654 was my attempt to add this to the guides:lint task.

That was before the mdl work was merged, so needs a rebase, but I think we could have two tasks: lint: [:mdl, :check_links] where the lint task just depends on both.

[akhilgkrishnan]

@akhilgkrishnan If you're interested in picking this up, #47654 was my attempt to add this to the guides:lint task.

That was before the mdl work was merged, so needs a rebase, but I think we could have two tasks: lint: [:mdl, :check_links] where the lint task just depends on both.

@zzak Sure I'll work on that