pin correct wasix version

Author: martyall

Diff for: .github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.73.0
+          toolchain: 1.74.0
           override: true
 
       # Install for Anvil