chore: release 1.4.0 (#113)

🤖 I have created a release \*beep\* \*boop\*
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## [1.4.0](https://www.github.com/googleapis/nodejs-retail/compare/v1.3.0...v1.4.0) (2021-11-04)


### Features

* Add local inventory ingestion APIs to product service in alpha channel ([#112](https://www.github.com/googleapis/nodejs-retail/issues/112)) ([8387781](https://www.github.com/googleapis/nodejs-retail/commit/8387781135ddb02b43af222bbbd3d5852e0147d3))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

retail/package.json

@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/retail": "^1.3.0"
+    "@google-cloud/retail": "^1.4.0"
   },
   "devDependencies": {
     "c8": "^7.1.0",