Update dependencies from https://github.com/dotnet/sdk build 20211215.7 (#12849)

[release/6.0.2xx] Update dependencies from dotnet/sdk

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -103,14 +103,14 @@
       <Uri>https://github.com/dotnet/templating</Uri>
       <Sha>7d941613047c847c87dc8d243a54fd1a45a47de7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk" Version="6.0.200-preview.21612.4">
+    <Dependency Name="Microsoft.NET.Sdk" Version="6.0.200-preview.21615.7">
       <Uri>https://github.com/dotnet/sdk</Uri>
-      <Sha>4a935da067ee66f3d9bf5bdcda8dd3952e342ebb</Sha>
+      <Sha>d984207d8bc16a659e1d5303b744cf74518caa87</Sha>
       <SourceBuild RepoName="sdk" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.MSBuildSdkResolver" Version="6.0.200-preview.21612.4">
+    <Dependency Name="Microsoft.DotNet.MSBuildSdkResolver" Version="6.0.200-preview.21615.7">
       <Uri>https://github.com/dotnet/sdk</Uri>
-      <Sha>4a935da067ee66f3d9bf5bdcda8dd3952e342ebb</Sha>
+      <Sha>d984207d8bc16a659e1d5303b744cf74518caa87</Sha>
     </Dependency>
     <!-- For coherency purposes, these versions should be gated by the versions of winforms and wpf routed via windowsdesktop -->
     <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="6.0.0-rtm.21523.1" CoherentParentDependency="Microsoft.WindowsDesktop.App.Runtime.win-x64">

eng/Versions.props

@@ -56,8 +56,8 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/sdk -->
-    <MicrosoftNETSdkPackageVersion>6.0.200-preview.21612.4</MicrosoftNETSdkPackageVersion>
-    <MicrosoftDotNetMSBuildSdkResolverPackageVersion>6.0.200-preview.21612.4</MicrosoftDotNetMSBuildSdkResolverPackageVersion>
+    <MicrosoftNETSdkPackageVersion>6.0.200-preview.21615.7</MicrosoftNETSdkPackageVersion>
+    <MicrosoftDotNetMSBuildSdkResolverPackageVersion>6.0.200-preview.21615.7</MicrosoftDotNetMSBuildSdkResolverPackageVersion>
     <MicrosoftNETBuildExtensionsPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftNETBuildExtensionsPackageVersion>
     <MicrosoftDotnetToolsetInternalPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftDotnetToolsetInternalPackageVersion>
     <MicrosoftDotnetTemplateLocatorPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftDotnetTemplateLocatorPackageVersion>