chore: release 2.4.0 (#282)

🤖 I have created a release \*beep\* \*boop\*
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## [2.4.0](https://www.github.com/googleapis/nodejs-datacatalog/compare/v2.3.4...v2.4.0) (2021-08-05)


### Features

* Added support for BigQuery connections entries feat: Added support for BigQuery routines entries feat: Added usage_signal field feat: Added labels field feat: Added ReplaceTaxonomy in Policy Tag Manager Serialization API feat: Added support for p... ([#277](https://www.github.com/googleapis/nodejs-datacatalog/issues/277)) ([328cc11](https://www.github.com/googleapis/nodejs-datacatalog/commit/328cc1126374a26f20273a312e8b781b845af401))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

datacatalog/snippets/package.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@google-cloud/bigquery": "^5.5.0",
-    "@google-cloud/datacatalog": "^2.3.4",
+    "@google-cloud/datacatalog": "^2.4.0",
     "uuid": "^8.3.1"
   },
   "devDependencies": {