Update the fuzz and net-tokio crates

Author: elichai

fuzz/Cargo.toml

@@ -18,11 +18,11 @@ libfuzzer_fuzz = ["libfuzzer-sys"]
 [dependencies]
 afl = { version = "0.4", optional = true }
 lightning = { path = "..", features = ["fuzztarget"] }
-bitcoin = { version = "0.18", features = ["fuzztarget"] }
-bitcoin_hashes = { version = "0.3", features=["fuzztarget"] }
+bitcoin = { version = "0.20", features = ["fuzztarget"] }
+bitcoin_hashes = { version = "0.7", features = ["fuzztarget"] }
 hex = "0.3"
 honggfuzz = { version = "0.5", optional = true }
-secp256k1 = { version = "0.12", features=["fuzztarget"] }
+secp256k1 = { version = "0.15", features=["fuzztarget"] }
 libfuzzer-sys = { git = "https://github.com/rust-fuzz/libfuzzer-sys.git", optional = true }
 
 [build-dependencies]

net-tokio/Cargo.toml

@@ -9,10 +9,10 @@ For Rust-Lightning clients which wish to make direct connections to Lightning P2
 """
 
 [dependencies]
-bitcoin = "0.18"
-bitcoin_hashes = "0.3"
+bitcoin = "0.20"
+bitcoin_hashes = "0.7"
 lightning = { version = "0.0.9", path = "../" }
-secp256k1 = "0.12"
+secp256k1 = "0.15"
 tokio-codec = "0.1"
 futures = "0.1"
 tokio = "0.1"