Update Formula/d/dart-sass.rb

Co-authored-by: Anton Melnikov <antonsm21@gmail.com>

Author: daeho-ro

Formula/d/dart-sass.rb

@@ -40,10 +40,7 @@ def install
       # So, here we copy `dartaotruntime` binary to run the compiled aot snapshot
       cp Formula["dart-sdk"].opt_libexec/"bin/dartaotruntime", libexec
 
-      (bin/"sass").write <<~BASH
-        #!/bin/bash
-        exec "#{libexec}/dartaotruntime" "#{libexec}/sass.aot" "$@"
-      BASH
+      (bin/"sass").write_env_script libexec/"dartaotruntime", libexec/"sass.aot"
     end
   end