Update to the stable release of Roslyn 3.8.0

Author: sharwell

StyleCop.Analyzers/Directory.Build.props

@@ -47,12 +47,12 @@
     <PackageReference Include="DotNetAnalyzers.DocumentationAnalyzers" Version="1.0.0-beta.46" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.205" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="3.8.0-5.final" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="3.8.0" PrivateAssets="all" />
   </ItemGroup>
 
   <!-- C# Compiler -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.Net.Compilers.Toolset" Version="3.8.0-5.final" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Net.Compilers.Toolset" Version="3.8.0" PrivateAssets="all" />
   </ItemGroup>
 
   <!-- Public API -->

StyleCop.Analyzers/StyleCop.Analyzers.CodeGeneration/StyleCop.Analyzers.CodeGeneration.csproj

@@ -16,7 +16,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0-5.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" />
     <PackageReference Include="TunnelVisionLabs.ReferenceAssemblyAnnotator" Version="1.0.0-alpha.160" PrivateAssets="all" />
     <PackageDownload Include="Microsoft.NETCore.App.Ref" Version="[3.1.0]" />
   </ItemGroup>

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/StyleCop.Analyzers.Test.CSharp9.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0-5.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>