fix(deps): update dependency @google-cloud/language to v2 (#129)

Author: renovate[bot]

cloud-language/snippets/automl/package.json

@@ -13,7 +13,7 @@
   "license": "ISC",
   "dependencies": {
     "@google-cloud/automl": "^0.1.1",
-    "@google-cloud/language": "^1.2.0",
+    "@google-cloud/language": "^2.0.0",
     "mathjs": "^5.0.4",
     "util": "^0.11.0",
     "yargs": "^12.0.1"