Install wasm-pack in CI

Author: KallynGowdy

.github/workflows/ci.yml

@@ -24,6 +24,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - name: Install
         run: |
+          curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
           corepack enable
           pnpm install
       - name: Test