terragrunt: disable CGO on Linux Arm

Signed-off-by: botantony <[email protected]>

Author: botantony

Formula/t/terragrunt.rb

@@ -27,6 +27,8 @@ class Terragrunt < Formula
   conflicts_with "tgenv", because: "tgenv symlinks terragrunt binaries"
 
   def install
+    ENV["CGO_ENABLED"] = "0" if OS.linux? && Hardware::CPU.arm?
+
     ldflags = %W[
       -s -w
       -X github.com/gruntwork-io/go-commons/version.Version=#{version}