Adds scope flag to wasm github action

This has the effect of creating the package.json with a different package name.

Without the flag: "name": "ironfish-wasm",
With the flag:    "name": "@ironfish/ironfish-wasm",

Author: Rahul Patni

.github/workflows/deploy-npm-ironfish-rust-wasm.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Generate package
         working-directory: ./ironfish-rust-wasm
-        run: wasm-pack build --release --target=web
+        run: wasm-pack build --release --target=web --scope=ironfish
 
       - name: Test in Firefox
         working-directory: ./ironfish-rust-wasm