[ci] Add script to CI to generate hashes table

[stefansjfw]

          could have the script basically generate these lines to and have direct links 

Description	Filename	sha256 hash
Per user - x64	PowerToysUserSetup-0.69.0-x64.exe	D05FC31F137718516C1D792765AAFEC51551FC172064BC3EE170911E455053AC
Per user - ARM64	PowerToysUserSetup-0.69.0-arm64.exe	0B113EAF17EEEA86299DEF7F73E7AF15A9CBFB8033C7F9218E33BDA276F37727
Machine wide - x64	PowerToysSetup-0.69.0-x64.exe	ADE1E56DF8CC52839FBD9DB6A0BCF34E38B88AAA52544EEAD3C1BB023FDAF29A
Machine wide - ARM64	PowerToysSetup-0.69.0-arm64.exe	CF13F75F93462BE68CA3E4C90B23F3828BBCAA44E7AA987503E73652DCB9FDF8

Originally posted by @crutkas in #25257 (comment)