ZJIT: Use Marshal.dump to handle large writes

`File.binwrite` with a big string can exceed the `INT_MAX` limit of write(2)
and fail with an exception.

Author: Aiden Fox Ivey

zjit.rb

@@ -126,7 +126,9 @@ def dump_exit_locations(filename)
       raise ArgumentError, "--zjit-trace-exits must be enabled to use dump_exit_locations."
     end
 
-    File.binwrite(filename, Marshal.dump(RubyVM::ZJIT.exit_locations))
+    File.open(filename, "wb") do |file|
+      Marshal.dump(RubyVM::ZJIT.exit_locations, file)
+    end
   end
 
   # Check if `--zjit-stats` is used