Enable wasi CI tests

.github/workflows/ci.yml

@@ -64,6 +64,11 @@ jobs:
         if: steps.rust-cache.outputs.cache-hit != 'true'
         run: cargo install --force --version 1.8.0 just --locked
 
+      - name: Setup wasmtime
+        uses: bytecodealliance/actions/wasmtime/setup@v1
+        with:
+          version: "24.0.0"
+
       - name: Compile
         run: cargo build --all-targets --all-features
 
@@ -98,12 +103,9 @@ jobs:
           pip3 install maturin
           just test_py
 
-# Re-enable when this works on stable
-#      - name: Run WASI tests
-#        if: startsWith(matrix.os, 'macos')
-#        run: |
-#          rustup toolchain install nightly
-#          rustup target add wasm32-wasi
-#          brew install wasmtime
-#          cargo install --force --version 0.1.27 cargo-wasi --locked
-#          just test_wasi
+      - name: Run WASI tests
+        run: |
+          rustup toolchain install nightly
+          rustup target add wasm32-wasi
+          cargo install --force --version 0.1.27 cargo-wasi --locked
+          just test_wasi