Bump VisualStudioThreadingVersion from 17.7.35 to 17.8.14 (#967)

* Bump VisualStudioThreadingVersion from 17.7.35 to 17.8.14

Bumps `VisualStudioThreadingVersion` from 17.7.35 to 17.8.14.

Updates `Microsoft.VisualStudio.Threading.Analyzers` from 17.7.35 to 17.8.14
- [Release notes](https://github.com/microsoft/vs-threading/releases)
- [Commits](https://github.com/microsoft/vs-threading/commits)

Updates `Microsoft.VisualStudio.Threading` from 17.7.35 to 17.8.14
- [Release notes](https://github.com/microsoft/vs-threading/releases)
- [Commits](https://github.com/microsoft/vs-threading/commits)

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Threading.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.VisualStudio.Threading
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Bump Microsoft.VisualStudio.Validation from 17.6.11 to 17.8.8

Bumps [Microsoft.VisualStudio.Validation](https://github.com/microsoft/vs-validation) from 17.6.11 to 17.8.8.
- [Release notes](https://github.com/microsoft/vs-validation/releases)
- [Commits](https://github.com/microsoft/vs-validation/commits)

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Validation
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

---------

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

Directory.Packages.props

@@ -7,7 +7,7 @@
 
     <MessagePackVersion>2.5.108</MessagePackVersion>
     <MicroBuildVersion>2.0.147</MicroBuildVersion>
-    <VisualStudioThreadingVersion>17.7.35</VisualStudioThreadingVersion>
+    <VisualStudioThreadingVersion>17.8.14</VisualStudioThreadingVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.13.10" />
@@ -22,7 +22,7 @@
     <PackageVersion Include="Microsoft.VisualStudio.Internal.MicroBuild.NonShipping" Version="$(MicroBuildVersion)" />
     <PackageVersion Include="Microsoft.VisualStudio.Threading.Analyzers" Version="$(VisualStudioThreadingVersion)" />
     <PackageVersion Include="Microsoft.VisualStudio.Threading" Version="$(VisualStudioThreadingVersion)" />
-    <PackageVersion Include="Microsoft.VisualStudio.Validation" Version="17.6.11" />
+    <PackageVersion Include="Microsoft.VisualStudio.Validation" Version="17.8.8" />
     <PackageVersion Include="Nerdbank.Streams" Version="2.10.69" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageVersion Include="System.Collections.Immutable" Version="7.0.0" />