feat(node/crypto): Elliptic Curve Diffie-Hellman (ECDH) support

Cargo.toml

@@ -139,6 +139,10 @@ tower-lsp = { version = "=0.17.0", features = ["proposed"] }
 url = { version = "2.3.1", features = ["serde", "expose_internals"] }
 uuid = { version = "1.3.0", features = ["v4"] }
 zstd = "=0.11.2"
+elliptic-curve = { version = "0.13.4", features = ["alloc", "arithmetic", "ecdh", "std", "pem"] }
+p224 = { version = "0.13.0", features = ["ecdh"] }
+p256 = { version = "0.13.2", features = ["ecdh"] }
+p384 = { version = "0.13.0", features = ["ecdh"] }
 
 # crypto
 rsa = { version = "0.7.0", default-features = false, features = ["std", "pem", "hazmat"] } # hazmat needed for PrehashSigner in ext/node