Bump wasmtime from 0.38.1 to 0.39.1 in /botnet

Bumps [wasmtime](https://github.com/bytecodealliance/wasmtime) from 0.38.1 to 0.39.1.
- [Release notes](https://github.com/bytecodealliance/wasmtime/releases)
- [Changelog](https://github.com/bytecodealliance/wasmtime/blob/main/docs/WASI-some-possible-changes.md)
- [Commits](bytecodealliance/wasmtime@v0.38.1...v0.39.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

botnet/Cargo.lock

@@ -8,7 +8,7 @@ lto = true
 
 [dependencies]
 botnet_api = { version = "0.1", default-features = false, path = "../botnet_api" }
-wasmtime = "0.38"
+wasmtime = "0.39"
 rkyv = "0.7"
 rayon = "1.5"
 crossbeam-channel = "0.5"