Update bastion-executor requirement from 0.3.5 to 0.4.1

Updates the requirements on [bastion-executor](https://github.com/bastion-rs/bastion) to permit the latest version.
- [Release notes](https://github.com/bastion-rs/bastion/releases)
- [Changelog](https://github.com/bastion-rs/bastion/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bastion-rs/bastion/compare/bastion-executor-v0.3.5...bastion-v0.4.1)

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

artillery-core/Cargo.toml

@@ -26,7 +26,7 @@ mio = { version = "0.7.0", features = ["os-poll", "udp"] }
 futures = "0.3.5"
 pin-utils = "0.1.0"
 libp2p = { version = "0.22.0", default-features = false, features = ["mdns"] }
-bastion-executor = "0.3.5"
+bastion-executor = "0.4.1"
 lightproc = "0.3.5"
 crossbeam-channel = "0.4.2"
 kaos = "0.1.1-alpha.2"

artillery-ddata/Cargo.toml

@@ -15,7 +15,7 @@ crossbeam-channel = "0.4"
 [dev-dependencies]
 clap = "2.33.0"
 pretty_env_logger = "0.4.0"
-bastion-executor = "0.3.5"
+bastion-executor = "0.4.1"
 lightproc = "0.3.5"
 rand = "0.7"
 criterion = "0.3"