chore(deps): update dependency google-cloud-translate to v2 (GoogleCloudPlatform#3211)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [google-cloud-translate](https://togithub.com/googleapis/python-translate) | major | `==1.7.0` -> `==2.0.1` |

---

### Release Notes

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

### [`v2.0.1`](https://togithub.com/googleapis/python-translate/blob/master/CHANGELOG.md#&#8203;201-httpswwwgithubcomgoogleapispython-translatecomparev200v201-2020-01-31)

[Compare Source](https://togithub.com/googleapis/python-translate/compare/v2.0.0...v2.0.1)

### [`v2.0.0`](https://togithub.com/googleapis/python-translate/blob/master/CHANGELOG.md#&#8203;200)

[Compare Source](https://togithub.com/googleapis/python-translate/compare/v1.7.0...v2.0.0)

10-23-2019 11:13 PDT

##### New Features

-   Make v3 the default client. ([#&GoogleCloudPlatform#8203;9498](https://togithub.com/googleapis/google-cloud-python/pull/9498))

##### Internal / Testing Changes

-   Add VPC-SC system tests. ([#&GoogleCloudPlatform#8203;9272](https://togithub.com/googleapis/google-cloud-python/pull/9272))

</details>

---

### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Never, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#GoogleCloudPlatform/python-docs-samples).

Author: renovate-bot

functions/ocr/app/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-pubsub==1.0.0
 google-cloud-storage==1.26.0
-google-cloud-translate==1.7.0
+google-cloud-translate==2.0.1
 google-cloud-vision==0.42.0

translate/cloud-client/hybrid_glossaries/requirements.txt

@@ -1,3 +1,3 @@
-google-cloud-translate==1.7.0
+google-cloud-translate==2.0.1
 google-cloud-vision==0.42.0
 google-cloud-texttospeech==1.0.1