Use CakeBuild 2.0.0

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "cake.tool": {
-      "version": "0.38.5",
+      "version": "2.0.0",
       "commands": [
         "dotnet-cake"
       ]

build.cake

@@ -151,7 +151,7 @@ Task("MakeDist")
         if(ensureLf)
             ReplaceTextInFiles($"{distArchDir}/{doorstopConfigPattern}", "\r\n", "\n");
         CopyFiles("./bin/*.*", bepinDir + Directory("core"));
-        CopyFiles(doorstopFiles, doorstopTargetDir);
+        CopyFiles(doorstopFiles.ToString(), doorstopTargetDir);
         FileWriteText(distArchDir + File("changelog.txt"), changelog);
     }