Bump Fody from 6.8.2 to 6.9.1 in /src (#818)

Author: dependabot[bot]

src/Directory.Packages.props

@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageVersion Include="Argon" Version="0.25.0" />
     <PackageVersion Include="ConfigureAwait.Fody" Version="3.3.2" />
-    <PackageVersion Include="Fody" Version="6.8.2" />
+    <PackageVersion Include="Fody" Version="6.9.1" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="27.0.2" />
     <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="8.0.11" />
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="5.2.2" />