Improve Documentation for ESRP and Binary-Validation-Error

[Trenly]

It isn't clear what Binary-Validation-Error actually means and why it is blocking. Documentation should be improved

[Trenly]

Although there is the Validation Guide and the Bot responses, this issue is exacerbated by

• Policy service bot's messages get deleted #243063

Additionally, the validation guide can be more descriptive that this is a blocking label and give more direction on what can be done about it - perhaps also linking to the tracking issues for PUA detection over at winget-cli