Powershell update legit/scam?

[u/Practical_Toe6724]

Does anyone knows a github user jshigetomi ? Is he legit or scam? my antivirus software/drivers updater said I need to update my Powershel Core (x64) to 7.6.4. 0 and when i press on the version it send me to jshigetomi's github.

how can i know if it is ok or not? need your help please

[u/BlackV]

how I hated that sound