Bump alloy from 0.15.6 to 0.15.9 (#51)

Bumps [alloy](https://github.com/alloy-rs/alloy) from 0.15.6 to 0.15.9.
- [Release notes](https://github.com/alloy-rs/alloy/releases)
- [Changelog](https://github.com/alloy-rs/alloy/blob/main/CHANGELOG.md)
- [Commits](alloy-rs/alloy@v0.15.6...v0.15.9)

---
updated-dependencies:
- dependency-name: alloy
  dependency-version: 0.15.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -1,5 +1,5 @@
 [dependencies]
-alloy = {version = "0.15.6", default-features = false, features = ["rlp", "std"]}
+alloy = {version = "0.15.9", default-features = false, features = ["rlp", "std"]}
 bip32 = {version = "0.5", default-features = false, features = ["alloc", "secp256k1-ffi"]}
 blake2 = "0.10"
 bytes = "1.10"
@@ -15,7 +15,7 @@ tiny-bip39 = "2.0"
 tiny-keccak = {version = "2.0", features = ["keccak"]}
 
 [dev-dependencies]
-alloy = {version = "0.15.6", default-features = false, features = ["json-abi", "dyn-abi"]}
+alloy = {version = "0.15.9", default-features = false, features = ["json-abi", "dyn-abi"]}
 bloomfilter = "^3.0"
 rand = "0.9.1"
 tokio = {version = "1.44", features = ["full"]}