fix temp dir unlink

Author: tycooon

lib/helmsnap/generate.rb

@@ -42,6 +42,6 @@ def generate!(tmp_path)
     end
 
     FileUtils.rmtree(snapshots_path)
-    FileUtils.move(tmp_path, snapshots_path)
+    FileUtils.cp_r(tmp_path, snapshots_path)
   end
 end

lib/helmsnap/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Helmsnap
-  VERSION = "1.2.0"
+  VERSION = "1.2.1"
 end