fix(postinstall): Make binary without .exec

Author: davesnx

scripts/release-postinstall.js

@@ -6,7 +6,7 @@ const fs = require("fs");
 
 const platform = process.platform;
 
-const binariesToCopy = ["styled-ppx.exe"];
+const binariesToCopy = ["styled-ppx"];
 
 function find_arch() {
   // The running binary is 64-bit, so the OS is clearly 64-bit.