Update pkg-codemods.mdx

[danieldelcore]

What is this change?

Updates codemod CLI docs links

Why are we making this change?

Removes old docs and replaces with new ones

PR checklist

Don't delete me!

I have...

• Updated or added applicable tests
• Updated the documentation in website/

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Latest commit: d88fc27

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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