Update homebrew for v0.38.1 (#1525)

Author: mortent

Formula/kpt.rb

@@ -15,8 +15,8 @@
 class Kpt < Formula
   desc "Toolkit to manage,and apply Kubernetes Resource config data files"
   homepage "https://googlecontainertools.github.io/kpt"
-  url "https://github.com/GoogleContainerTools/kpt/archive/v0.38.0.tar.gz"
-  sha256 "d9a61a0e5f7370c4e74971779c51095c97379dacb67187c97d0d8a14d4e75cff"
+  url "https://github.com/GoogleContainerTools/kpt/archive/v0.38.1.tar.gz"
+  sha256 "9313cc49a6957e294f560049d41765ee6ee8e56fe6cf62c2bbddb67777bac0df"
 
   depends_on "go" => :build