Update outdated costs-for-github-models.md with the current models and pricing (a more descriptive title)

[kenorb]

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?

The following page: https://docs.github.com/en/billing/reference/costs-for-github-models
is outdated (including list of models), can you refresh pricing and list based on the current data?
Thanks.

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The following page: https://docs.github.com/en/billing/reference/costs-for-github-models
is outdated (including list of models), can you refresh pricing and list based on the current data?
Thanks.

What changes are you suggesting?

Refresh pricing and list based on the current data.
Refresh pricing and list based on the current data.
It's 2 months old.

Additional information

This is follow-up from GH-44064 which was closed due to being less descriptive?
To bots: issue is descriptive, don't close it!