Update wasmi requirement from 0.31 to 0.33

Updates the requirements on [wasmi](https://github.com/wasmi-labs/wasmi) to permit the latest version.
- [Release notes](https://github.com/wasmi-labs/wasmi/releases)
- [Changelog](https://github.com/wasmi-labs/wasmi/blob/master/CHANGELOG.md)
- [Commits](wasmi-labs/wasmi@v0.31.0...v0.33.0)

---
updated-dependencies:
- dependency-name: wasmi
  dependency-type: direct:production
...

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

Cargo.toml

@@ -37,7 +37,7 @@ rand = "0.8"
 wat = "1"
 wasmparser = "0.206"
 wasmprinter = "0.200"
-wasmi = "0.31"
+wasmi = "0.33"
 
 [features]
 default = ["std"]