Merge pull request #443 from AArnott/caUpdate

Bump CodeAnalysis version for testing to 4.8.0

Author: AArnott

Directory.Packages.props

@@ -7,7 +7,7 @@
 
     <MicroBuildVersion>2.0.146</MicroBuildVersion>
     <CodeAnalysisVersionForAnalyzers>3.11.0</CodeAnalysisVersionForAnalyzers>
-    <CodeAnalysisVersion>4.7.0</CodeAnalysisVersion>
+    <CodeAnalysisVersion>4.8.0</CodeAnalysisVersion>
     <CodefixTestingVersion>1.1.1</CodefixTestingVersion>
   </PropertyGroup>
   <ItemGroup>