swap ed25519-dalek for ed25519-zebra (#11781)

* swap ed25519-dalek for ed25519-zebra; no batch verificaiton

fixed batch verificaiton tests

removed additional zero verificaiton tests

removed comments, fixed test bug, added #[derive(Clone)]

Update primitives/core/src/ed25519.rs

Co-authored-by: Squirrel <gilescope@gmail.com>

* modified assertion to allow default ed25519-zebra zero key behavior

* cargo clippy

* Update primitives/core/Cargo.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update primitives/core/src/ed25519.rs

Co-authored-by: Davide Galassi <davxy@datawok.net>

* Update primitives/core/src/ed25519.rs

Co-authored-by: Davide Galassi <davxy@datawok.net>

* Update primitives/core/src/ed25519.rs

Co-authored-by: Davide Galassi <davxy@datawok.net>

* Update primitives/core/src/ed25519.rs

Co-authored-by: Davide Galassi <davxy@datawok.net>

* updated Cargo.lock for sp-core

* fix inaccurate comment

Co-authored-by: Squirrel <gilescope@gmail.com>
Co-authored-by: Bastian Köcher <info@kchr.de>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Davide Galassi <davxy@datawok.net>

substrate/Cargo.lock

@@ -1788,6 +1788,20 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "ed25519-zebra"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "403ef3e961ab98f0ba902771d29f842058578bb1ce7e3c59dad5a6a93e784c69"
+dependencies = [
+ "curve25519-dalek 3.0.2",
+ "hex",
+ "rand_core 0.6.2",
+ "sha2 0.9.8",
+ "thiserror",
+ "zeroize",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -9624,7 +9638,7 @@ dependencies = [
  "byteorder",
  "criterion",
  "dyn-clonable",
- "ed25519-dalek",
+ "ed25519-zebra",
  "futures",
  "hash-db",
  "hash256-std-hasher",