test: implement main test vectors from wycheproof

Thanks to @ctz who implemented a basic structure to run these in in graviola, I ported running against the relevant test vectors from https://github.com/C2SP/wycheproof

Author: dignifiedquire

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "thirdparty/wycheproof"]
+	path = thirdparty/wycheproof
+	url = git@github.com:C2SP/wycheproof

Cargo.lock

@@ -44,6 +44,9 @@ rand_core = { version = "0.6", default-features = false }
 sha1 = { version = "=0.11.0-pre.4", default-features = false, features = ["oid"] }
 sha2 = { version = "=0.11.0-pre.4", default-features = false, features = ["oid"] }
 sha3 = { version = "=0.11.0-pre.4", default-features = false, features = ["oid"] }
+hex = { version = "0.4.3", features = ["serde"] }
+serde_json = "1.0.138"
+serde = { version = "1.0.184", features = ["derive"] }
 
 [[bench]]
 name = "key"