bump x25519-dalek to pre-release

x25519-dalek/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # - update html_root_url
 # - update CHANGELOG
 # - if any changes were made to README.md, mirror them in src/lib.rs docs
-version = "2.0.1"
+version = "2.1.0-pre"
 authors = [
     "Isis Lovecruft <isis@patternsinthevoid.net>",
     "DebugSteven <debugsteven@gmail.com>",
@@ -38,7 +38,7 @@ rustdoc-args = [
 features = ["getrandom", "reusable_secrets", "serde", "static_secrets"]
 
 [dependencies]
-curve25519-dalek = { version = "4", path = "../curve25519-dalek", default-features = false }
+curve25519-dalek = { version = "=4.2.0-pre", path = "../curve25519-dalek", default-features = false }
 rand_core = { version = "0.6", default-features = false }
 serde = { version = "1", default-features = false, optional = true, features = ["derive"] }
 zeroize = { version = "1", default-features = false, optional = true, features = ["zeroize_derive"] }