chore: release 3.3.1 (#531)
chore: release 3.3.1 (#531)

:robot: 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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