The decompiler integration uses IModule.MetadataFile from the upstream
locked dependency.
Do not select the older 8.x API from the local feed.

--- a/paket.dependencies
+++ b/paket.dependencies
@@ -26,5 +26,5 @@
 nuget Microsoft.CodeAnalysis
 nuget FSharp.Analyzers.SDK
-nuget ICSharpCode.Decompiler
+nuget ICSharpCode.Decompiler >= 11.1.0.9782
 nuget Mono.Cecil >= 0.11.4
 nuget FSharpLint.Core