elliptic-curve: use rustcrypto-ff/rustcrypto-group (#2093)

Switches (hopefully temporarily) to our forks of the `ff` and `group`
crates containing updates to `rand_core` v0.10.0 prereleases, which
allows us to cut crate releases of `elliptic-curve` and all of its
dependent crates

Author: tarcieri

Cargo.lock

@@ -16,6 +16,3 @@ members = [
 [patch.crates-io]
 digest = { path = "digest" }
 signature = { path = "signature" }
-
-ff = { git = "https://github.com/tarcieri/ff", branch = "rand_core/v0.10.0-rc-2" }
-group = { git = "https://github.com/tarcieri/group", branch = "rand_core/v0.10.0-rc-2" }

Cargo.toml

@@ -26,9 +26,9 @@ zeroize = { version = "1.7", default-features = false }
 
 # optional dependencies
 digest = { version = "0.11.0-rc.4", optional = true }
-ff = { version = "=0.14.0-pre.0", optional = true, default-features = false }
+ff = { version = "=0.14.0-pre.0", package = "rustcrypto-ff", optional = true, default-features = false }
 getrandom = { version = "0.3", optional = true }
-group = { version = "=0.14.0-pre.0", optional = true, default-features = false }
+group = { version = "=0.14.0-pre.0", package = "rustcrypto-group", optional = true, default-features = false }
 hkdf = { version = "0.13.0-rc.3", optional = true, default-features = false }
 hex-literal = { version = "1", optional = true }
 once_cell = { version = "1.21", optional = true, default-features = false }