chore(deps): update dependency google-cloud-videointelligence to v2.3.1 (#181)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-videointelligence](https://togithub.com/googleapis/python-videointelligence) | `==2.2.0` -> `==2.3.1` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-videointelligence/2.3.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-videointelligence/2.3.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-videointelligence/2.3.1/compatibility-slim/2.2.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-videointelligence/2.3.1/confidence-slim/2.2.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/python-videointelligence</summary>

### [`v2.3.1`](https://togithub.com/googleapis/python-videointelligence/blob/master/CHANGELOG.md#&#8203;231-httpswwwgithubcomgoogleapispython-videointelligencecomparev230v231-2021-07-20)

[Compare Source](https://togithub.com/googleapis/python-videointelligence/compare/v2.3.0...v2.3.1)

### [`v2.3.0`](https://togithub.com/googleapis/python-videointelligence/blob/master/CHANGELOG.md#&#8203;230-httpswwwgithubcomgoogleapispython-videointelligencecomparev220v230-2021-07-12)

[Compare Source](https://togithub.com/googleapis/python-videointelligence/compare/v2.2.0...v2.3.0)

##### Features

-   add always_use_jwt_access ([#&#8203;173](https://www.github.com/googleapis/python-videointelligence/issues/173)) ([3c7fbb0](https://www.github.com/googleapis/python-videointelligence/commit/3c7fbb00a6bddd239d3fdb3a75a485db3dfe041e))

##### Documentation

-   omit mention of Python 2.7 in 'CONTRIBUTING.rst' ([#&#8203;1127](https://www.github.com/googleapis/python-videointelligence/issues/1127)) ([#&#8203;163](https://www.github.com/googleapis/python-videointelligence/issues/163)) ([09b0a33](https://www.github.com/googleapis/python-videointelligence/commit/09b0a338c8de99dc547c5dc5e15b42d14210ba18)), closes [#&#8203;1126](https://www.github.com/googleapis/python-videointelligence/issues/1126)

</details>

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videointelligence/samples/analyze/requirements.txt

@@ -1,2 +1,2 @@
-google-cloud-videointelligence==2.2.0
+google-cloud-videointelligence==2.3.1
 google-cloud-storage==1.40.0

videointelligence/samples/labels/requirements.txt

@@ -1 +1 @@
-google-cloud-videointelligence==2.2.0
+google-cloud-videointelligence==2.3.1

videointelligence/samples/quickstart/requirements.txt

@@ -1 +1 @@
-google-cloud-videointelligence==2.2.0
+google-cloud-videointelligence==2.3.1

videointelligence/samples/shotchange/requirements.txt

@@ -1 +1 @@
-google-cloud-videointelligence==2.2.0
+google-cloud-videointelligence==2.3.1