explicit dispose and clean on some objects

code/Infrastructure/Verticals/Files/WindowsHardLinkFileService.cs

@@ -5,7 +5,7 @@ using Microsoft.Win32.SafeHandles;
 
 namespace Infrastructure.Verticals.Files;
 
-public class WindowsHardLinkFileService : IHardLinkFileService
+public class WindowsHardLinkFileService : IHardLinkFileService, IDisposable
 {
     private readonly ILogger<WindowsHardLinkFileService> _logger;
     private readonly ConcurrentDictionary<ulong, int> _fileIndexCounts = new();
@@ -110,4 +110,9 @@ public class WindowsHardLinkFileService : IHardLinkFileService
         public uint FileIndexHigh;
         public uint FileIndexLow;
     }
+    
+    public void Dispose()
+    {
+        _fileIndexCounts.Clear();
+    }
 }