Use artifact copy of spongefish

Cargo.lock

@@ -935,6 +935,7 @@ dependencies = [
  "sha2",
  "sigma-compiler-derive",
  "sigma-proofs",
+ "spongefish",
  "subtle",
 ]
 
@@ -990,12 +991,12 @@ dependencies = [
 [[package]]
 name = "spongefish"
 version = "1.0.0-rc1"
-source = "git+https://github.com/arkworks-rs/spongefish#fcc277f8a857fdeeadd7cca92ab08de63b1ff1a1"
 dependencies = [
  "ark-ec",
  "ark-ff",
  "ark-serialize",
  "bls12_381",
+ "curve25519-dalek",
  "digest",
  "keccak",
  "p3-koala-bear",
@@ -1009,7 +1010,6 @@ dependencies = [
 [[package]]
 name = "spongefish-derive"
 version = "1.0.0-rc1"
-source = "git+https://github.com/arkworks-rs/spongefish#fcc277f8a857fdeeadd7cca92ab08de63b1ff1a1"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -15,6 +15,7 @@ subtle = "2.6"
 [dev-dependencies]
 curve25519-dalek = { version = "4", features = [ "group", "rand_core", "digest" ] }
 sha2 = "0.10"
+spongefish = {path = "../spongefish/spongefish",  features = ["curve25519-dalek"] }
 
 [features]
 # Dump (to stdout or to a string) the value of the instance on both the