Move version number to Versions.props

Author: sharwell

eng/Versions.props

@@ -21,6 +21,7 @@
     <!-- Roslyn -->
     <MicrosoftCodeAnalysisVersion>2.9.0</MicrosoftCodeAnalysisVersion>
     <MicrosoftNetCompilersVersion>3.3.1-beta3-final</MicrosoftNetCompilersVersion>
+    <MicrosoftCodeAnalysisBannedApiAnalyzersVersion>2.9.6</MicrosoftCodeAnalysisBannedApiAnalyzersVersion>
     <MicrosoftCodeAnalysisFXCopAnalyersVersion>2.9.5</MicrosoftCodeAnalysisFXCopAnalyersVersion>
     <MicrosoftCodeAnalysisAnalyersVersion>3.0.0-beta2.19218.3+e96bad97</MicrosoftCodeAnalysisAnalyersVersion>
     <CodeStyleAnalyersVersion>3.3.0-beta2-19376-02</CodeStyleAnalyersVersion>

src/Directory.Build.targets

@@ -21,7 +21,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="2.9.6" />
+    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="$(MicrosoftCodeAnalysisBannedApiAnalyzersVersion)" />
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)\BannedSymbols.txt" Condition="'$(BannedSymbolsOptOut)' != 'true'" />
   </ItemGroup>