Update secp256k1 (#36)

Author: vorot93

Cargo.toml

@@ -24,13 +24,13 @@ sha3 = "0.10"
 k256 = { version = "0.11", features = ["ecdsa"], optional = true }
 serde = { version = "1.0.110", optional = true }
 ed25519-dalek = { version = "1.0.0-pre.4", optional = true }
-secp256k1 = { version = "0.22", optional = true, default-features = false, features = [
+secp256k1 = { version = "0.23", optional = true, default-features = false, features = [
     "global-context",
 ] }
 
 [dev-dependencies]
 rand_07 = { package = "rand", version = "0.7" }
-secp256k1 = { features = ["rand-std"], version = "0.22" }
+secp256k1 = { features = ["rand-std"], version = "0.23" }
 
 [features]
 default = ["serde", "k256"]