Bump wasip3 to v0.4 (#790)

Author: newpavlov

.cargo/config.toml

@@ -5,7 +5,12 @@ runner = 'wasm-bindgen-test-runner'
 runner = 'wasmtime'
 [target.wasm32-wasip2]
 runner = 'wasmtime'
+[target.wasm32-wasip3]
+runner = 'wasmtime'
 
 # Just run on node by default (that's where emscripten is tested)
 [target.'cfg(target_os = "emscripten")']
 runner = 'node'
+
+[resolver]
+incompatible-rust-versions = "allow"

.github/workflows/tests.yml

@@ -370,6 +370,10 @@ jobs:
           wget -O - $URL | tar -xJ --strip-components=1 -C ~/.cargo/bin
           wasmtime --version
       - uses: Swatinem/rust-cache@v2
+      - name: Generate MSRV-compatible Cargo.lock
+        env:
+          CARGO_RESOLVER_INCOMPATIBLE_RUST_VERSIONS: "fallback"
+        run: cargo update
       - run: cargo test --target wasm32-wasip2
 
   # TODO: enable after pre-built std will be provided by Rust