Add wasi-virt dependency

Author: kateinoigakukun

.github/workflows/build-gems.yml

@@ -33,10 +33,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Retrieve Rust toolchain version from rust-toolchain.toml
+        id: rust-toolchain
+        run: echo "rust-toolchain=$(cat rust-toolchain.toml | grep -oP 'channel = "\K[^"]+')" >> $GITHUB_OUTPUT
       - uses: oxidize-rb/actions/setup-ruby-and-rust@v1
         with:
           ruby-version: "3.3"
           bundler-cache: true
+          rustup-toolchain: ${{ steps.rust-toolchain.outputs.rust-toolchain }}
           cargo-cache: true
           cargo-vendor: true
           cache-version: v2-${{ matrix.ruby-platform }}