meta: align collaborator email in .mailmap/AUTHORS with README

Use the most recent and presumably preferred email for a collaborator
whose .mailmap and README entries differ.

PR-URL: #39478
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>

Author: Trott

.mailmap

@@ -231,8 +231,8 @@ Kazuyuki Yamada <[email protected]>
 Keith M Wesolowski <[email protected]> <[email protected]>
 Kelsey Breseman <[email protected]>
 Ke Ding <[email protected]>
-Khaidi Chu <[email protected]>
-Khaidi Chu <[email protected]> <[email protected]>
+Khaidi Chu <[email protected]>
+Khaidi Chu <[email protected]> <[email protected]>
 Kimberly Wilber <[email protected]>
 Kimberly Wilber <[email protected]> <[email protected]>
 Kiyoshi Nomo <[email protected]>

AUTHORS

@@ -1494,7 +1494,7 @@ Sreepurna Jasti <[email protected]>
 Rafael Fragoso <[email protected]>
 Andrei Cioromila <[email protected]>
 Frank Lanitz <[email protected]>
-Khaidi Chu <[email protected]>
+Khaidi Chu <[email protected]>
 Akshay Iyer <[email protected]>
 Rick Bullotta <[email protected]>
 Rajaram Gaunker <[email protected]>