Bump wasmtime from 0.38.1 to 0.38.3 (paritytech#784)

Bumps [wasmtime](https://github.com/bytecodealliance/wasmtime) from 0.38.1 to 0.38.3.
- [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...v0.38.3)

---
updated-dependencies:
- dependency-name: wasmtime
  dependency-type: indirect
...

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