chore(deps): update dependency google-cloud-bigquery to v2.25.1 (#234)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-bigquery](https://togithub.com/googleapis/python-bigquery) | `==2.24.0` -> `==2.25.1` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-bigquery/2.25.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-bigquery/2.25.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-bigquery/2.25.1/compatibility-slim/2.24.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-bigquery/2.25.1/confidence-slim/2.24.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v2.25.1`](https://togithub.com/googleapis/python-bigquery/blob/master/CHANGELOG.md#&#8203;2251-httpswwwgithubcomgoogleapispython-bigquerycomparev2250v2251-2021-08-25)

[Compare Source](https://togithub.com/googleapis/python-bigquery/compare/v2.25.0...v2.25.1)

### [`v2.25.0`](https://togithub.com/googleapis/python-bigquery/blob/master/CHANGELOG.md#&#8203;2250-httpswwwgithubcomgoogleapispython-bigquerycomparev2241v2250-2021-08-24)

[Compare Source](https://togithub.com/googleapis/python-bigquery/compare/v2.24.1...v2.25.0)

##### Features

-   Support using GeoPandas for GEOGRAPHY columns ([#&#8203;848](https://www.togithub.com/googleapis/python-bigquery/issues/848)) ([16f65e6](https://www.github.com/googleapis/python-bigquery/commit/16f65e6ae15979217ceea6c6d398c9057a363a13))

##### [2.24.1](https://www.github.com/googleapis/python-bigquery/compare/v2.24.0...v2.24.1) (2021-08-13)

##### Bug Fixes

-   remove pytz dependency and require pyarrow>=3.0.0 ([#&#8203;875](https://www.togithub.com/googleapis/python-bigquery/issues/875)) ([2cb3563](https://www.github.com/googleapis/python-bigquery/commit/2cb3563ee863edef7eaf5d04d739bcfe7bc6438e))

### [`v2.24.1`](https://togithub.com/googleapis/python-bigquery/blob/master/CHANGELOG.md#&#8203;2241-httpswwwgithubcomgoogleapispython-bigquerycomparev2240v2241-2021-08-13)

[Compare Source](https://togithub.com/googleapis/python-bigquery/compare/v2.24.0...v2.24.1)

</details>

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dlp/snippets/requirements.txt

@@ -2,4 +2,4 @@ google-cloud-dlp==3.2.2
 google-cloud-storage==1.42.0
 google-cloud-pubsub==2.7.1
 google-cloud-datastore==2.1.6
-google-cloud-bigquery==2.24.0
+google-cloud-bigquery==2.25.1