rusty_paseto vulnerable to private key extraction due to ed25519-dalek dependency

Impact The vulnerability, known as RUSTSEC-2022-0093, impacts the ed25519-dalek crate, which is a dependency of the rusty-paseto crate. This issue arises from a "Double Public Key Signing Function Oracle Attack" affecting versions of ed25519-dalek prior to v2.0. These versions expose an unsafe AP...