chore(deps): update dependency google.cloud.compute.v1 to 3.12.0 (#3183)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[Google.Cloud.Compute.V1](https://redirect.github.com/googleapis/google-cloud-dotnet)
| `3.11.0` -> `3.12.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Google.Cloud.Compute.V1/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Google.Cloud.Compute.V1/3.11.0/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>googleapis/google-cloud-dotnet
(Google.Cloud.Compute.V1)</summary>

###
[`v3.12.0`](https://redirect.github.com/googleapis/google-cloud-dotnet/releases/tag/Google.Cloud.Compute.V1-3.12.0):
Google.Cloud.Compute.V1 version 3.12.0

[Compare
Source](https://redirect.github.com/googleapis/google-cloud-dotnet/compare/Google.Cloud.Compute.V1-3.11.0...Google.Cloud.Compute.V1-3.12.0)

##### New features

- Update Compute Engine v1 API to revision
[`2025071`](https://redirect.github.com/googleapis/google-cloud-dotnet/commit/20250717)
([#&#8203;1074](https://redirect.github.com/googleapis/google-cloud-dotnet/issues/1074))

</details>

---

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Author: renovate-bot

compute/api/Compute.Samples/Compute.Samples.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Compute.V1" Version="3.11.0" />
+    <PackageReference Include="Google.Cloud.Compute.V1" Version="3.12.0" />
   </ItemGroup>
 
 </Project>