Update secp256k1 dependency to use PR rust-bitcoin/rust-secp256k1#721

Author: jlest01

integration_test/Cargo.toml

@@ -6,6 +6,6 @@ edition = "2018"
 
 [dependencies]
 bitcoincore-rpc = { path = "../client", features = ["rand"] }
-bitcoin = { version = "0.32.0", features = ["serde", "rand"] }
+bitcoin = { git = "https://github.com/jlest01/rust-bitcoin.git", branch = "bip352-silentpayments-module-v0", features = ["serde", "rand"] }
 lazy_static = "1.4.0"
 log = "0.4"

json/Cargo.toml

@@ -27,4 +27,4 @@ rand = ["bitcoin/rand-std"]
 serde = { version = "1", features = [ "derive" ] }
 serde_json = "1"
 
-bitcoin = { version = "0.32.0", features = ["serde"] }
+bitcoin = { git = "https://github.com/jlest01/rust-bitcoin.git", branch = "bip352-silentpayments-module-v0", features = ["serde"] }