Bump Microsoft.NET.Test.Sdk from 17.9.0 to 17.12.0 in /src

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.9.0 to 17.12.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.9.0...v17.12.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/DeployHours.Gate.Tests/DeployHours.Gate.Tests.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="JunitXml.TestLogger" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.7.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">

tests/GitHubActions.Gates.Framework.Tests/GitHubActions.Gates.Framework.Tests.csproj

@@ -28,7 +28,7 @@
     <PackageReference Include="JunitXml.TestLogger" Version="5.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="6.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.7.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">

tests/Issues.Gate.Tests/Issues.Gate.Tests.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="JunitXml.TestLogger" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.7.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">