Wasmtime v14 introduced a new CLI structure, with two changes relevant to TinyGo:

https://github.com/bytecodealliance/wasmtime/blob/main/RELEASES.md#1400

1. --mapdir=GUEST::HOST becomes --dir=HOST::GUEST: Swap the order of directories in --dir bytecodealliance/wasmtime#7301
2. Arguments after the Wasm module to run are passed to the guest, instead of arguments after --: Redesign Wasmtime's CLI bytecodealliance/wasmtime#6925