feat(product, types, modules-sdk): added event bus events for products (#4654)

what:

- adds an eventbus dependency to product module.
- emits events on product, category and collection CUD

RESOLVES CORE-1450

.eslintrc.js

@@ -95,6 +95,7 @@ module.exports = {
           "./packages/cache-redis/tsconfig.spec.json",
           "./packages/cache-inmemory/tsconfig.spec.json",
           "./packages/create-medusa-app/tsconfig.json",
+          "./packages/product/tsconfig.json",
         ],
       },
       rules: {