Update gha pr instructions 5165

[roslynwythe]

Fixes #5165
same branch as roslynwythe#36

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%3C!--%20Note:%20Commandline%20instructions%20are%20added%20into%20where%20the%20placeholder%20string%20first%20appears%20---%3E%0A%0AWant%20to%20review%20this%20pull%20request?%20Take%20a%20look%20at%20%5Bthis%20documentation%5D(https://github.com/hackforla/website/wiki/How-to-Review-Pull-Requests)%20for%20a%20step%20by%20step%20guide!%0A%0AFrom%20your%20project%20repository,%20check%20out%20a%20new%20branch%20and%20test%20the%20changes.%0A%0A%60%60%60%0Agit%20checkout%20-b%20roslynwythe-update-gha-pr-instructions-5165%20gh-pages%0Agit%20pull%20https://github.com/roslynwythe/website.git%20update-gha-pr-instructions-5165%0A%60%60%60%0A%3C!--%20Note:%20Commandline%20instructions%20are%20added%20into%20where%20the%20placeholder%20string%20first%20appears%20---%3E%0A%0A-------------------%0A%0ANote%20that%20CONTRIBUTING.md%20cannot%20previewed%20locally;%20rather%20it%20should%20be%20previewed%20at%20this%20URL:%0A%0A%60%60%60%0Ahttps://github.com/roslynwythe/website/blob/update-gha-pr-instructions-5165/CONTRIBUTING.md%20%20%0A%60%60%60%0A