chore: use nushell in ci

Author: rich-ayr

.github/workflows/rust.yml

@@ -93,12 +93,9 @@ jobs:
         let $arch = '${{ matrix.target }}' | split row '-' | first
         let $arch = if $arch == 'i686' { 'x86' } else { $arch }
         echo $'ARCH=($arch)' | save $env.GITHUB_ENV --append
-        with-env { ARCH: $arch } {
-          echo $'($env.ARCH)'
-          let output = glob $'target/${{ matrix.target }}/release/build/**/($env.ARCH)_bindgen.rs' | first
-          cp $output $'src/ffi/($env.ARCH)_bindgen.rs'
-          echo $'Moved ($output) to src/ffi/($env.ARCH)_bindgen.rs'
-        }
+        let output = glob target/${{ matrix.target }}/release/build/**/$($arch)_bindgen.rs | first
+        cp $output $'src/ffi/($env.ARCH)_bindgen.rs'
+        echo $'Moved ($output) to src/ffi/($env.ARCH)_bindgen.rs'
 
     - name: Upload generated file as artifact
       uses: actions/upload-artifact@v4