Adding arabic translation

[pssalman]

What do you want to change?

creating the po/ar.po file to add arabic translation

Why do you want to make this change?

#13766 preparing for 1.4 release and translation issue

I acknowledge that:

• I have read the Contributing Guide and understand the contribution process.
• I have read and agree to follow the AI Usage Policy.
• I wrote this vouch request myself, in my own voice, without AI generating it.

[jcollie]

!vouch

[00-kat]

Oh thanks, I was about to in the PR lol.