Pass on inner exception in GivenThatIWantToInstallDotnetFromAScript.Dispose()

Author: PhilippNaused

tests/Install-Scripts.Test/GivenThatIWantToInstallDotnetFromAScript.cs

@@ -208,7 +208,7 @@ public void Dispose()
             }
             catch (UnauthorizedAccessException e)
             {
-                throw new Exception($"Failed to remove {_sdkInstallationDirectory}");
+                throw new Exception($"Failed to remove {_sdkInstallationDirectory}", e);
             }
         }