chore: update solution to Visual Studio 2022 v18 and remove setKey.ps1 reference

Author: franklupo

Corsinvest.ProxmoxVE.Api.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.0.31919.166
+# Visual Studio Version 18
+VisualStudioVersion = 18.2.11408.102 d18.0
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{6719F1A5-0108-4DDE-BE5B-50D75DF7DC3A}"
 EndProject
@@ -25,7 +25,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Elementi di soluzione", "El
 		LICENSE = LICENSE
 		publish-nuget.ps1 = publish-nuget.ps1
 		README.md = README.md
-		setKey.ps1 = setKey.ps1
 	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Corsinvest.ProxmoxVE.Api.Test", "src\Corsinvest.ProxmoxVE.Api.Test\Corsinvest.ProxmoxVE.Api.Test.csproj", "{1D153C82-28BF-4401-8026-78830F227244}"