Deprecated gh-actions-cache is referenced in docs

[bayandin]

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?

https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries

What changes are you suggesting?

actions/gh-actions-cache has been deprecated in favour of gh cache

Ref actions/gh-actions-cache#86

So we need to replace actions/gh-actions-cache usage in docs with gh cache analogue

Additional information

No response

[welcome]

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[nguyenalex836]

@bayandin Thank you for opening an issue and linking it to your PR! ✨