chore: release 3.3.1 (#531)

🤖 I have created a release \*beep\* \*boop\*
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### [3.3.1](https://www.github.com/googleapis/nodejs-video-intelligence/compare/v3.3.0...v3.3.1) (2021-04-19)


### Bug Fixes

* update region tag from v1beta1 to v1 for analyze-face-detection.js ([#530](https://www.github.com/googleapis/nodejs-video-intelligence/issues/530)) ([4d19f9d](https://www.github.com/googleapis/nodejs-video-intelligence/commit/4d19f9de9e386ee92ed18d9302cddc61c2dc9865))
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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]

video-intelligence/package.json

@@ -15,7 +15,7 @@
     "test": "mocha system-test --timeout=800000"
   },
   "dependencies": {
-    "@google-cloud/video-intelligence": "^3.3.0",
+    "@google-cloud/video-intelligence": "^3.3.1",
     "yargs": "^16.0.0"
   },
   "devDependencies": {