fix(deps): update rust crate rust-argon2 to v2

Author: renovate[bot]

plugins/stronghold/Cargo.toml

@@ -21,7 +21,7 @@ hex = "0.4"
 zeroize = { version = "1", features = ["zeroize_derive"] }
 
 # kdf dependencies
-rust-argon2 = { version = "1", optional = true }
+rust-argon2 = { version = "2", optional = true }
 rand_chacha = { version = "0.3.1", optional = true }
 rand_core = { version = "0.6.4", features = ["getrandom"], optional = true }