shorten fail codes

Author: dawedawe

docs/content/Getting Started Using.fsx

@@ -162,7 +162,7 @@ And here's the `Directory.Build.targets`:
         <Message Importance="High" Text="Analyzing $(MSBuildProjectFile)"/>
         <Exec
             ContinueOnError="true"
-            Command="dotnet fsharp-analyzers --fsc-args &quot;@(FscCommandLineArgs)&quot; --analyzers-path &quot;$(PkgG-Research_FSharp_Analyzers)\analyzers\dotnet\fs&quot; --exclude-analyzer PartialAppAnalyzer --fail-on-warnings GRA-STRING-001 GRA-STRING-002 GRA-STRING-003 GRA-UNIONCASE-001 --verbose --report &quot;$(MSBuildProjectName)-analysis.sarif&quot;">
+            Command="dotnet fsharp-analyzers --fsc-args &quot;@(FscCommandLineArgs)&quot; --analyzers-path &quot;$(PkgG-Research_FSharp_Analyzers)\analyzers\dotnet\fs&quot; --exclude-analyzer PartialAppAnalyzer --fail-on-warnings GRA-STRING-001 --verbose --report &quot;$(MSBuildProjectName)-analysis.sarif&quot;">
             <Output TaskParameter="ExitCode" PropertyName="LastExitCode" />
         </Exec>
         <Error Condition="'$(LastExitCode)' == '-2'" Text="Problems were found $(MSBuildProjectFile)" />