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
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>