chore(main): release 4.0.4 (#1815)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

handwritten/pubsub/CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/pubsub?activeTab=versions
 
+## [4.0.4](https://github.com/googleapis/nodejs-pubsub/compare/v4.0.3...v4.0.4) (2023-09-05)
+
+
+### Bug Fixes
+
+* Set grpc keepalive time|outs by default ([#1814](https://github.com/googleapis/nodejs-pubsub/issues/1814)) ([13d89a2](https://github.com/googleapis/nodejs-pubsub/commit/13d89a2b4e25f340ef492d586bfa8cc3a9a6d6cf))
+
 ## [4.0.3](https://github.com/googleapis/nodejs-pubsub/compare/v4.0.2...v4.0.3) (2023-08-31)
 
 

handwritten/pubsub/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/pubsub",
   "description": "Cloud Pub/Sub Client Library for Node.js",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {