What would you like to be added:

Grype simplifies the installation process through a convenient script. The current script includes a checksum validation step for the binary being installed. Since Grype utilizes cosign to sign the checksum file, it would be beneficial to enhance the installation script by incorporating checksum signature validation.

Why is this needed:

This enhancement ensures consumers can effortlessly verify the installation of binaries, eliminating the need for manual verification.

Additional context: