Support latest rust toolchain

[vivianjeng]

Problem

Now the latest rust toolchain version cannot run circom-compat successfully
#148 (comment)

Details

we should either

1. change circom-compat to fit the latest toolchain
   • reference for update circom-compat: https://github.com/l-adic/circom-compat
2. remove wasmer dependencies since it cannot be run on iOS and cannot be submitted to testfligt
   • reference Dylib Framework not accepted by App Store #107 feat(core): use wasm3 to generate witness #127

Acceptance criteria

Remove the specific toolchain version in build-and-test.yml and CI should succeed