ci: fail fast on build failures

Author: anthonyting

package.json

@@ -10,7 +10,7 @@
     "install-all": "npm install && npm install --workspaces",
     "test": "npm run test --workspaces --if-present",
     "test:integration": "act -W .github/workflows/integration-tests.yml --secret-file .secrets --artifact-server-path /tmp/artifacts --container-architecture linux/amd64",
-    "build": "npm run build -w packages/aws-durable-execution-sdk-js -w packages/aws-durable-execution-sdk-js-testing -w packages/aws-durable-execution-sdk-js-examples",
+    "build": "npm run build -w packages/aws-durable-execution-sdk-js && npm run build -w packages/aws-durable-execution-sdk-js-testing && npm run build -w packages/aws-durable-execution-sdk-js-examples",
     "postpublish": "git restore .",
     "clean": "rm -rf node_modules && npm run clean --workspaces --if-present"
   },