* crates/grep-cli: add advisory for arbitrary binary execution on Windows
Ref https://github.com/BurntSushi/ripgrep/issues/1773
* drop commented out field
* crates/grep-cli: add more details about mitigation
Instead of dancing around it, we just say it: the main issue is that
std::process::Command will resolve relative binary names with respect to
the CWD first, because it just uses the Windows API for this.
More specifically, we call out the two particular mitigations that are
now in place.
Co-authored-by: Sergey "Shnatsel" Davidoff <shnatsel@gmail.com>