downgrade rust toolchain to 1.65

Author: kbonnici

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
      - uses: actions/checkout@v3
      - uses: actions-rs/toolchain@v1
        with:
-         toolchain: 1.69
+         toolchain: 1.65
          target: wasm32-unknown-unknown
 
      - run: rustc --version