chore(deps): bump futures-executor from 0.3.17 to 0.3.18 (#615)

Bumps [futures-executor](https://github.com/rust-lang/futures-rs) from 0.3.17 to 0.3.18.
- [Release notes](https://github.com/rust-lang/futures-rs/releases)
- [Changelog](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/futures-rs/compare/0.3.17...0.3.18)

---
updated-dependencies:
- dependency-name: futures-executor
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

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

Cargo.lock

@@ -1296,9 +1296,9 @@ checksum = "629316e42fe7c2a0b9a65b47d159ceaa5453ab14e8f0a3c5eedbb8cd55b4a445"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45025be030969d763025784f7f355043dc6bc74093e4ecc5000ca4dc50d8745c"
+checksum = "7b808bf53348a36cab739d7e04755909b9fcaaa69b7d7e588b37b6ec62704c97"
 dependencies = [
  "futures-core",
  "futures-task",

ethers-signers/Cargo.toml

@@ -26,7 +26,7 @@ sha2 = { version = "0.9.8", default-features = false }
 rand = { version = "0.8.4", default-features = false }
 yubihsm = { version = "0.39.0", features = ["secp256k1", "http", "usb"], optional = true }
 futures-util = "0.3.18"
-futures-executor = "0.3.17"
+futures-executor = "0.3.18"
 semver = "1.0.4"
 
 # aws