Update dependency google-cloud-vision to v1 [(#3227)](GoogleCloudPlatform/python-docs-samples#3227)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [google-cloud-vision](https://github.com/googleapis/python-vision) | major | `==0.42.0` -> `==1.0.0` |

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### Release Notes

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

### [`v1.0.0`](https://github.com/googleapis/python-vision/blob/master/CHANGELOG.md#&#8203;100-httpswwwgithubcomgoogleapispython-visioncomparev0420v100-2020-02-28)

[Compare Source](https://github.com/googleapis/python-vision/compare/v0.42.0...v1.0.0)

##### Features

-   bump release status to GA ([#&#8203;11](https://www.github.com/googleapis/python-vision/issues/11)) ([2129bde](https://www.github.com/googleapis/python-vision/commit/2129bdedfa0dca85c5adc5350bff10d4a485df77))

</details>

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samples/snippets/hybrid_glossaries/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-translate==2.0.1
-google-cloud-vision==0.42.0
+google-cloud-vision==1.0.0
 google-cloud-texttospeech==1.0.1