chore(deps): update rust crate secp256k1 to 0.29.0

Author: renovate[bot]

Cargo.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 serde = "^1.0"
 serde_derive = "^1.0"
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
-secp256k1 = {version = "0.27.0", features = ["recovery"] }
+secp256k1 = {version = "0.29.0", features = ["recovery"] }
 rlp = "0.5.2"
 num-traits = "0.2"
 bytes = "^1.4.0"