chore: release 2.4.1 (#969)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.4.1](https://www.github.com/googleapis/nodejs-vision/compare/v2.4.0...v2.4.1) (2021-12-14)


### Bug Fixes

* comment about gcsUri ([#967](https://www.github.com/googleapis/nodejs-vision/issues/967)) ([abc4044](https://www.github.com/googleapis/nodejs-vision/commit/abc4044dc972746292dad107009bc67223b88f86))
* **deps:** update dependency redis to v4 ([#966](https://www.github.com/googleapis/nodejs-vision/issues/966)) ([1584e4e](https://www.github.com/googleapis/nodejs-vision/commit/1584e4e65f56f66a968472f6b7dabf23393dc3f4))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

vision/samples/package.json

@@ -13,7 +13,7 @@
     "test": "mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/vision": "^2.4.0",
+    "@google-cloud/vision": "^2.4.1",
     "natural": "^5.0.0",
     "pureimage": "^0.3.0",
     "redis": "^4.0.0",