chore: release 5.2.0 (#454)

🤖 I have created a release \*beep\* \*boop\* 
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## [5.2.0](https://www.github.com/googleapis/nodejs-translate/compare/v5.1.6...v5.2.0) (2020-02-27)


### Features

* export protos in src/index.ts ([#451](https://www.github.com/googleapis/nodejs-translate/issues/451)) ([a70079e](https://www.github.com/googleapis/nodejs-translate/commit/a70079ea24fe36d7efdd7d028a55fd6acbd6b3e1))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please).

translate/package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@google-cloud/automl": "^1.0.0",
     "@google-cloud/text-to-speech": "^1.1.4",
-    "@google-cloud/translate": "^5.1.6",
+    "@google-cloud/translate": "^5.2.0",
     "@google-cloud/vision": "^1.2.0",
     "yargs": "^15.0.0"
   },