swap out rust toolchain to maintained repo

Author: kbonnici

.github/workflows/test.yml

@@ -10,10 +10,10 @@ jobs:
 
     steps:
      - uses: actions/checkout@v3
-     - uses: actions-rs/toolchain@v1
+     - uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: 1.65
-         target: wasm32-unknown-unknown
+         targets: wasm32-unknown-unknown
 
      - run: rustc --version
      - run: cargo --version