You might find that a little lube in the rose joint will stop the squeak. If you have the originals I think you might find a little lube point on one side, but not quite sure how you would use it.
A spray oil of some sort should work well on metal joints I use silicon spray or Mr Sheen on mine as they are the posh Chrome moly ones. Even those squeak sometimes and to be fair I'm never really sure if it's the rose joints or one of the top pivots?.. It comes and goes.
Unfortunately the link in the link that Slob posted no longer works!
It's the more expensive chromemoly/kevlar ones you want.
M10 x 1.5
https://www.mcgillmotorsport.com/m10...ce-rod-end-93/
You may find that you need to shorten the threaded part a little if it won't go in as far as the original.. Measure the original position before removing to make sure you retain the steering geometry. You could also get a couple of stainless M10 x 1.5 half nuts to tidy it up?
Finally make sure you don't lose the tubular adapter insert inside the original rose joints as you will need to re-use those and they are tricky to come by.