chore(deps): update dependency google-cloud-dataproc to v2.3.0 (#143)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-dataproc](https://togithub.com/googleapis/python-dataproc) | `==2.2.0` -> `==2.3.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-dataproc/2.3.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-dataproc/2.3.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-dataproc/2.3.0/compatibility-slim/2.2.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-dataproc/2.3.0/confidence-slim/2.2.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v2.3.0`](https://togithub.com/googleapis/python-dataproc/blob/master/CHANGELOG.md#&#8203;230-httpswwwgithubcomgoogleapispython-dataproccomparev220v230-2021-03-01)

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

##### Features

-   **v1beta1:** BREAKING CHANGE: remove DOCKER/FLINK from Component enum; adds HBASE ([#&#8203;108](https://www.github.com/googleapis/python-dataproc/issues/108)) ([ee093a8](https://www.github.com/googleapis/python-dataproc/commit/ee093a88841c7f9c9ea41b066993e56b4abe267d))

##### Bug Fixes

-   remove gRPC send/recv limits; expose client transport ([#&#8203;117](https://www.github.com/googleapis/python-dataproc/issues/117)) ([6f27109](https://www.github.com/googleapis/python-dataproc/commit/6f27109faf03dd13f25294e57960f0d9e1a9fa27))

</details>

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dataproc/snippets/requirements.txt

@@ -5,4 +5,4 @@ google-auth==1.27.1
 google-auth-httplib2==0.1.0
 google-cloud==0.34.0
 google-cloud-storage==1.36.1
-google-cloud-dataproc==2.2.0
+google-cloud-dataproc==2.3.0