Bump Pharmacist.MsBuild from 2.0.6 to 2.0.8 (#1224)

Bumps [Pharmacist.MsBuild](https://github.com/reactiveui/Pharmacist) from 2.0.6 to 2.0.8.
- [Release notes](https://github.com/reactiveui/Pharmacist/releases)
- [Commits](https://github.com/reactiveui/Pharmacist/compare/2.0.6...2.0.8)

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

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

ReactiveExample/ReactiveExample.csproj

@@ -4,7 +4,7 @@
         <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Pharmacist.MsBuild" Version="2.0.6" PrivateAssets="all" />
+        <PackageReference Include="Pharmacist.MsBuild" Version="2.0.8" PrivateAssets="all" />
         <PackageReference Include="Pharmacist.Common" Version="2.0.8" />
         <PackageReference Include="Terminal.Gui" Version="1.0.0-pre.*" />
         <PackageReference Include="ReactiveUI.Fody" Version="13.0.1" />