Correct mailmap for Jarek Potiuk (apache#26586)

I've noticed that mailmap for myself (set a long time ago by Ry)
has the old address of mine (alread non-functional) and despite
all commits being done as primary address, they were showing up
with the mail-mapped one.

.mailmap

@@ -40,7 +40,7 @@ Gerard Toonstra <[email protected]>
 Greg Neiheisel <[email protected]>
 Hossein Torabi <[email protected]> <[email protected]>
 James Timmins <[email protected]> <[email protected]>
-Jarek Potiuk <jarek.[email protected]> <jarek@potiuk.com>
+Jarek Potiuk <jarek@potiuk.com> <jarek.[email protected]> <potiuk@apache.org>
 Jeremiah Lowin <[email protected]>
 Jeremiah Lowin <[email protected]> <[email protected]>
 Jeremiah Lowin <[email protected]> <[email protected]>