elliptic-curve: bump hkdf dependency to v0.13 (#2349)

Release PR: RustCrypto/KDFs#195

Author: tarcieri

Cargo.lock

@@ -57,4 +57,3 @@ unused_qualifications = "warn"
 crypto-common = { path = "crypto-common" }
 digest = { path = "digest" }
 signature = { path = "signature" }
-hmac = { git = "https://github.com/RustCrypto/MACs" }

Cargo.toml

@@ -29,7 +29,7 @@ zeroize = { version = "1.7", default-features = false }
 digest = { version = "0.11", optional = true }
 ff = { version = "0.14.0-rc.0", package = "rustcrypto-ff", optional = true, default-features = false }
 group = { version = "0.14.0-rc.0", package = "rustcrypto-group", optional = true, default-features = false }
-hkdf = { version = "0.13.0-rc.5", optional = true, default-features = false }
+hkdf = { version = "0.13", optional = true, default-features = false }
 hex-literal = { version = "1", optional = true }
 once_cell = { version = "1.21", optional = true, default-features = false }
 pem-rfc7468 = { version = "1", optional = true, features = ["alloc"] }