chore: release 3.2.0 (#157)

🤖 I have created a release \*beep\* \*boop\*
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## [3.2.0](https://www.github.com/googleapis/nodejs-service-directory/compare/v3.1.3...v3.2.0) (2021-06-25)


### Features

* Update Service Directory v1beta1 protos to include VPC Network field, and create/modify timestamp fields ([#155](https://www.github.com/googleapis/nodejs-service-directory/issues/155)) ([cd103d7](https://www.github.com/googleapis/nodejs-service-directory/commit/cd103d7d7c567e0a4b18890797e43cbde616db5f))
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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).

Author: release-please[bot]

service-directory/snippets/package.json

@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/service-directory": "^3.1.3",
+    "@google-cloud/service-directory": "^3.2.0",
     "eslint": "^7.0.0",
     "json-schema": "^0.3.0",
     "uuid": "^8.0.0"