build(deps): bump mlua from 0.8.10 to 0.9.1

Bumps [mlua](https://github.com/khvzak/mlua) from 0.8.10 to 0.9.1.
- [Changelog](https://github.com/khvzak/mlua/blob/master/CHANGELOG.md)
- [Commits](mlua-rs/mlua@v0.8.10...v0.9.1)

---
updated-dependencies:
- dependency-name: mlua
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -19,7 +19,7 @@ serde_json = {version="1.0.105"}
 fake-useragent = {version="0.1.3"}
 env_logger = {version="0.10.0"}
 log = {version="0.4.20"}
-mlua = {version="0.8.10", features=["luajit", "vendored"]}
+mlua = {version="0.9.1", features=["luajit", "vendored"]}
 redis = {version="0.23.3", features=["tokio-comp","connection-manager"], optional = true}
 md5 = {version="0.7.0"}
 rand={version="0.8.5"}