Enable wasm plugins on windows arm (#92544)
Not because we should, but because we can.
Previously we disabled this due to an incompatibility between windows arm and wasmer, however we recently switched to wasmtime which appears to work.
So simplify the CI configuration and the rust feature flags
https://github.com/vercel/next.js/actions/runs/24271405735 is a build-and-deploy.yml run and this is the [windows arm build](https://github.com/vercel/next.js/actions/runs/24271405735/job/70877042113)
