Update fastcrypto version (MystenLabs#11077)

## Description 

Update to the most recent version of fastcrypto. This fixes a few errors
and includes some optimisations not included in the current version.

## Test Plan 

Unit tests

Cargo.toml

@@ -201,8 +201,8 @@ move-prover-boogie-backend = { path = "external-crates/move/move-prover/boogie-b
 move-stackless-bytecode = { path = "external-crates/move/move-prover/bytecode" }
 move-symbol-pool = { path = "external-crates/move/move-symbol-pool" }
 
-fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1" }
-fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", package = "fastcrypto-zkp" }
+fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868" }
+fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", package = "fastcrypto-zkp" }
 
 # anemo dependencies
 anemo = { git = "https://github.com/mystenlabs/anemo.git", rev = "691e43c3f4df5e33b898a91cb1a808f68f76f52e" }

crates/workspace-hack/Cargo.toml

@@ -205,8 +205,8 @@ expect-test = { version = "1", default-features = false }
 eyre = { version = "0.6" }
 fail = { version = "0.4", default-features = false }
 fallible-iterator = { version = "0.2" }
-fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", features = ["copy_key"] }
-fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", default-features = false }
+fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", features = ["copy_key"] }
+fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", default-features = false }
 fastrand = { version = "1", default-features = false }
 fd-lock = { version = "3", default-features = false }
 fdlimit = { version = "0.2", default-features = false }
@@ -894,9 +894,9 @@ expect-test = { version = "1", default-features = false }
 eyre = { version = "0.6" }
 fail = { version = "0.4", default-features = false }
 fallible-iterator = { version = "0.2" }
-fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", features = ["copy_key"] }
-fastcrypto-derive = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", default-features = false }
-fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "84fd7c7428c5f59185aecc56a2e0a006e8e07de1", default-features = false }
+fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", features = ["copy_key"] }
+fastcrypto-derive = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", default-features = false }
+fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "19540b8550685173f4998ae64d0291ddbdc93868", default-features = false }
 fastrand = { version = "1", default-features = false }
 fd-lock = { version = "3", default-features = false }
 fdlimit = { version = "0.2", default-features = false }