Update dependencies

* In rand 0.9 crate RngCore trait doesn't contain try_fill_bytes function.
  This makes it incompatible with previous version. We need to wait until
  elastic-elgamal bumps rand to 0.9.

Author: dobo90

Cargo.lock

@@ -22,7 +22,7 @@ elastic-elgamal = { version = "0.3", default-features = false, features = ["std"
 hex = "0.4"
 log = "0.4"
 p256 = { version = "0.13", default-features = false, features = ["arithmetic", "ecdsa", "std"] }
-rand = "0.8"
+rand = "0.8" # update to 0.9 blocked by elastic-elgamal
 roxmltree = "0.20"
 sha2 = "0.10.8"
 thiserror = "2.0"