Bump merlin from 2.0.1 to 3.0.0

Bumps [merlin](https://github.com/zkcrypto/merlin) from 2.0.1 to 3.0.0.
- [Release notes](https://github.com/zkcrypto/merlin/releases)
- [Changelog](https://github.com/zkcrypto/merlin/blob/main/CHANGELOG.md)
- [Commits](zkcrypto/merlin@2.0.1...3.0.0)

---
updated-dependencies:
- dependency-name: merlin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

client/consensus/babe/Cargo.toml

@@ -48,7 +48,7 @@ parking_lot = "0.12.0"
 log = "0.4.8"
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
 rand = "0.7.2"
-merlin = "2.0"
+merlin = "3.0"
 thiserror = "1.0"
 retain_mut = "0.1.4"
 async-trait = "0.1.50"

primitives/consensus/babe/Cargo.toml

@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 sp-application-crypto = { version = "6.0.0", default-features = false, path = "../../application-crypto" }
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false }
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
-merlin = { version = "2.0", default-features = false }
+merlin = { version = "3.0", default-features = false }
 sp-std = { version = "4.0.0", default-features = false, path = "../../std" }
 sp-api = { version = "4.0.0-dev", default-features = false, path = "../../api" }
 sp-consensus = { version = "0.10.0-dev", optional = true, path = "../common" }

primitives/core/Cargo.toml

@@ -55,7 +55,7 @@ schnorrkel = { version = "0.9.1", features = [
 ], default-features = false, optional = true }
 hex = { version = "0.4", default-features = false, optional = true }
 libsecp256k1 = { version = "0.7", default-features = false, features = ["static-context"], optional = true }
-merlin = { version = "2.0", default-features = false, optional = true }
+merlin = { version = "3.0", default-features = false, optional = true }
 secp256k1 = { version = "0.21.2", default-features = false, features = ["recovery", "alloc"], optional = true }
 ss58-registry = { version = "1.11.0", default-features = false }
 sp-core-hashing = { version = "4.0.0", path = "./hashing", default-features = false, optional = true }

primitives/keystore/Cargo.toml

@@ -21,7 +21,7 @@ thiserror = "1.0"
 
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
-merlin = { version = "2.0", default-features = false }
+merlin = { version = "3.0", default-features = false }
 sp-core = { version = "6.0.0", path = "../core" }
 sp-externalities = { version = "0.12.0", path = "../externalities", default-features = false }