Update to latest AsmResolver.

Author: timcassell

src/BenchmarkDotNet.Weaver/BenchmarkDotNet.Weaver.csproj

@@ -20,7 +20,7 @@ then run `build.cmd pack-weaver`.
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AsmResolver.DotNet" Version="6.0.0-beta.4" PrivateAssets="all" />
+    <PackageReference Include="AsmResolver.DotNet" Version="6.0.0-beta.5" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build.Framework" Version="18.0.2" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" Version="18.0.2" PrivateAssets="all" />
   </ItemGroup>