Bump pbkdf2 dependency to v0.7 (#219)

Cargo.lock

@@ -539,17 +539,11 @@ dependencies = [
 
 [[package]]
 name = "pbkdf2"
-version = "0.6.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3b8c0d71734018084da0c0354193a5edfb81b20d2d57a92c5b154aefc554a4a"
+checksum = "ca5c74683c467276ba17c4bb16e219487dc8fd4465b24d2653386e40de37dab6"
 dependencies = [
- "base64",
  "crypto-mac",
- "hmac",
- "rand",
- "rand_core",
- "sha2",
- "subtle",
 ]
 
 [[package]]

Cargo.toml

@@ -34,7 +34,7 @@ nom = "6"
 num-bigint = { version = "0.6", features = ["rand"], package = "num-bigint-dig" }
 num-traits = "0.2"
 num-integer = "0.1"
-pbkdf2 = "0.6"
+pbkdf2 = { version = "0.7", default-features = false }
 p256 = "0.7"
 p384 = "0.6"
 pcsc = "2"