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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence | Type | Update |
|---|---|---|---|---|---|---|---|
| [google.golang.org/api](https://togithub.com/googleapis/google-api-go-client) | `v0.171.0` -> `v0.172.0` | [![age](https://developer.mend.io/api/mc/badges/age/go/google.golang.org%2fapi/v0.172.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/go/google.golang.org%2fapi/v0.172.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/go/google.golang.org%2fapi/v0.171.0/v0.172.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/go/google.golang.org%2fapi/v0.171.0/v0.172.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | require | minor |
| [google.golang.org/genproto/googleapis/api](https://togithub.com/googleapis/go-genproto) | `94a12d6` -> `454cdb8` |  |  |  |  | require | digest |
| [google.golang.org/genproto/googleapis/rpc](https://togithub.com/googleapis/go-genproto) | `94a12d6` -> `454cdb8` |  |  |  |  | require | digest |

---

### Release Notes

<details>
<summary>googleapis/google-api-go-client (google.golang.org/api)</summary>

### [`v0.172.0`](https://togithub.com/googleapis/google-api-go-client/releases/tag/v0.172.0)

[Compare Source](https://togithub.com/googleapis/google-api-go-client/compare/v0.171.0...v0.172.0)

##### Features

-   **all:** Auto-regenerate discovery clients ([#&#8203;2485](https://togithub.com/googleapis/google-api-go-client/issues/2485)) ([0398093](https://togithub.com/googleapis/google-api-go-client/commit/03980938f5fdc4b5bc08afe11568aa0d89ae150b))
-   **all:** Auto-regenerate discovery clients ([#&#8203;2487](https://togithub.com/googleapis/google-api-go-client/issues/2487)) ([b0eaf37](https://togithub.com/googleapis/google-api-go-client/commit/b0eaf376f4f4bc71c06b12317361cc19acb32d36))
-   **all:** Auto-regenerate discovery clients ([#&#8203;2488](https://togithub.com/googleapis/google-api-go-client/issues/2488)) ([57e19b3](https://togithub.com/googleapis/google-api-go-client/commit/57e19b358ef4dede327cbd53394c5c6bd3ce8a04))
-   **all:** Auto-regenerate discovery clients ([#&#8203;2490](https://togithub.com/googleapis/google-api-go-client/issues/2490)) ([78ee47e](https://togithub.com/googleapis/google-api-go-client/commit/78ee47e859534b34a58b71fa0af3c8c97444845d))
-   **all:** Auto-regenerate discovery clients ([#&#8203;2492](https://togithub.com/googleapis/google-api-go-client/issues/2492)) ([77cc7d0](https://togithub.com/googleapis/google-api-go-client/commit/77cc7d0f60965409215289b6c01c9474fa5648e0))

</details>

---

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We want to discard unknown so if the server sends new data we don't
blow up on it if our proto is not up-to-date.