Draft: fix(deps): upgrade rpgp
This is not yet ready!
we found one API break that would make our use case invalid: https://github.com/rpgp/rpgp/blob/85b14b901f8b2f46594c961afe8a9e571c9e3799/src/packet/signature/config.rs#L377 vs https://github.com/rpgp/rpgp/blob/be1902930d08b1cd63d5e154844f6468c69b7aa6/src/packet/signature/config.rs#L377
upstream effectively reverted this PR: https://github.com/rpgp/rpgp/pull/393
Edit: reported at https://github.com/rpgp/rpgp/pull/453/files#r1988911796
Edited by Wiktor Kwapisiewicz