fix worspace package script

fixes - aws-powertools#1343

Author: Muthuveerappanv

package.json

@@ -18,7 +18,7 @@
     "init-environment": "husky install",
     "test": "npm t -ws",
     "commit": "commit",
-    "package": "npm run package",
+    "package": "npm run package -ws",
     "setup-local": "export PROJECT_ROOT=$(pwd) && npm ci --foreground-scripts && cd $PROJECT_ROOT/examples/cdk && npm ci && cd $PROJECT_ROOT/examples/sam && npm ci && cd $PROJECT_ROOT/ && npm run init-environment",
     "build": "npm run build -ws",
     "postversion": "git push && git push --tags",
@@ -87,4 +87,4 @@
   "dependencies": {
     "hosted-git-info": "^6.1.1"
   }
-}
+}