message: upgrade libsecp256k1
diff: @@ -19,7 +19,7 @@ forest_encoding = { git = "https://github.com/zondax/forest", branch="master" }
  num_bigint_chainsafe = { package="num-bigint", git = "https://github.com/austinabell/num-bigint", rev = "f7084a9ed5a2b08d9bfb67790cb4ce9212193f31", features = ["serde_derive"] }
  -libsecp256k1 = "0.2.1"
  +libsecp256k1 = "0.3.4"
  # FIXME: confirm compatibility with WASM target
  [dependencies.rand]
  