Dependency (dependabot/dotnet-sdk): Bump dotnet-sdk in /Source (#3581)

Bumps [dotnet-sdk](https://github.com/dotnet/sdk) from 10.0.302 to 10.0.400.
- [Release notes](https://github.com/dotnet/sdk/releases)
- [Commits](dotnet/sdk@v10.0.302...v10.0.400)

---
updated-dependencies:
- dependency-name: dotnet-sdk
  dependency-version: 10.0.400
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Source/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.302",
+    "version": "10.0.400",
     "rollForward": "latestFeature",
     "allowPrerelease": false
   }