chore(main): release 3.4.0 (#694)

🤖 I have created a release *beep* *boop*
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## [3.4.0](googleapis/nodejs-dlp@v3.3.0...v3.4.0) (2022-03-25)


### Features

* new Bytes and File types: POWERPOINT and EXCEL ([#693](googleapis/nodejs-dlp#693)) ([ed3dc42](googleapis/nodejs-dlp@ed3dc42))

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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).

dlp/package.json

@@ -15,7 +15,7 @@
     "test": "mocha system-test/*.test.js --timeout=600000"
   },
   "dependencies": {
-    "@google-cloud/dlp": "^3.3.0",
+    "@google-cloud/dlp": "^3.4.0",
     "@google-cloud/pubsub": "^2.0.0",
     "mime": "^3.0.0",
     "yargs": "^16.0.0"