chore: release 4.1.0 (#295)

* updated CHANGELOG.md

* updated package.json

* updated samples/package.json

Author: yoshi-automation

translate/package.json

@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@google-cloud/automl": "^1.0.0",
-    "@google-cloud/translate": "^4.0.1",
+    "@google-cloud/translate": "^4.1.0",
     "yargs": "^13.0.0"
   },
   "devDependencies": {