chore(deps): update dependency dotnet-sdk to v8.0.400 (open-feature#295)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [dotnet-sdk](https://togithub.com/dotnet/sdk) | dotnet-sdk | patch |
`8.0.303` -> `8.0.400` |

---

### Release Notes

<details>
<summary>dotnet/sdk (dotnet-sdk)</summary>

###
[`v8.0.400`](https://togithub.com/dotnet/sdk/compare/v8.0.303...v8.0.400)

[Compare
Source](https://togithub.com/dotnet/sdk/compare/v8.0.304...v8.0.400)

###
[`v8.0.304`](https://togithub.com/dotnet/sdk/compare/v8.0.303...v8.0.304)

[Compare
Source](https://togithub.com/dotnet/sdk/compare/v8.0.303...v8.0.304)

</details>

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global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
     "rollForward": "latestFeature",
-    "version": "8.0.303"
+    "version": "8.0.400"
   }
 }