Fixing build

Author: batzen

.build/Build.cs

@@ -45,7 +45,7 @@ protected override void OnBuildInitialized()
 
     [Solution(GenerateProjects = true)] readonly Solution Solution = null!;
 
-    [GitVersion(Framework = "netcoreapp3.1", NoFetch = true)] readonly GitVersion? GitVersion;
+    [GitVersion(Framework = "net6.0", NoFetch = true)] readonly GitVersion? GitVersion;
 
     string AssemblySemVer => GitVersion?.AssemblySemVer ?? "1.0.0";
     string SemVer => GitVersion?.SemVer ?? "1.0.0";