Add intel-based MacOS 14 to runners list

[tqpcharlie]

Why:

Closes: #41691

What's being changed (if available, include any code snippets, screenshots, or gifs):

This adds the x86-based MacOS 14 runner to all tables in this comparison article, and all other articles/resources that link to https://github.com/github/docs/blob/main/data/reusables/actions/supported-github-runners.md.

Check off the following:

• [ ] A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• [ ] The changes in this PR meet the docs fundamentals that are required for all content.
• [ ] All CI checks are passing and the changes look good in the review environment.

[github-actions[bot]]

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Table of review links

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Source	Review	Production	What Changed
actions/reference/runners/github-hosted-runners.md	fpt ghec ghes@ 3.19 3.18 3.17 3.16 3.15 3.14	fpt ghec ghes@ 3.19 3.18 3.17 3.16 3.15 3.14	from reusable

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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