chore: release 2.4.2 (#978)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.4.2](https://www.github.com/googleapis/nodejs-vision/compare/v2.4.1...v2.4.2) (2022-01-06)


### Bug Fixes

* add types to package.json ([#977](https://www.github.com/googleapis/nodejs-vision/issues/977)) ([1cd056b](https://www.github.com/googleapis/nodejs-vision/commit/1cd056b97c851eac1726610c85193ddc85cbddb7))
---


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": "^2.4.1",
+    "@google-cloud/vision": "^2.4.2",
     "natural": "^5.0.0",
     "pureimage": "^0.3.0",
     "redis": "^4.0.0",