RUSTSEC-2021-0076 bump libsecp256k1 (#9391)

* RUSTSEC-2021-0076 bump libsecp256k1

libsecp256k1 allows overflowing signatures
https://rustsec.org/advisories/RUSTSEC-2021-0076

Changes were made to conform to libsecp256k1 version differences.

Closes #9356

* parse_standard_slice() -> parse_overflowing_slice()

* Added v2 host function for ecdsa_verify

* Add feature tag over helpers

* Added ecdsa_verify v2 to test runner

* PR feedback

- Spaces -> tabs
- renamed two helper functions

* Fixed imports after rebasing

* Bump rest of libsecp256k1 (and libp2p)

libp2p also uses libsecp256k1 so it is required to be bumped too, along
with all the version difference changes.

* Add version2 for ecdsa pubkey recovery

* libp2p rebase master fixes

* Fix test panic when non Behaviour event is returned

* Update bin/node/browser-testing/Cargo.toml

* Update primitives/core/src/ecdsa.rs

* Update primitives/core/src/ecdsa.rs

* Update Cargo.lock

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

substrate/client/network/src/bitswap.rs

@@ -94,7 +94,7 @@ where
 
 	fn upgrade_inbound(self, mut socket: TSocket, _info: Self::Info) -> Self::Future {
 		Box::pin(async move {
-			let packet = upgrade::read_one(&mut socket, MAX_PACKET_SIZE).await?;
+			let packet = upgrade::read_length_prefixed(&mut socket, MAX_PACKET_SIZE).await?;
 			let message: BitswapMessage = Message::decode(packet.as_slice())?;
 			Ok(message)
 		})
@@ -122,7 +122,7 @@ where
 		Box::pin(async move {
 			let mut data = Vec::with_capacity(self.encoded_len());
 			self.encode(&mut data)?;
-			upgrade::write_one(&mut socket, data).await
+			upgrade::write_length_prefixed(&mut socket, data).await
 		})
 	}
 }
@@ -328,7 +328,7 @@ pub enum BitswapError {
 	/// Error parsing CID
 	BadCid(cid::Error),
 	/// Packet read error.
-	Read(upgrade::ReadOneError),
+	Read(io::Error),
 	/// Error sending response.
 	#[display(fmt = "Failed to send response.")]
 	SendResponse,