meta: add .mailmap entry for kunalspathak

Use mailmap entry to consolidate duplicate entries in AUTHORS.

PR-URL: #40202
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

.mailmap

@@ -246,6 +246,7 @@ Kiyoshi Nomo <tokyoincidents.g@gmail.com>
 Koichi Kobayashi <koichik@improvement.jp>
 Kostiantyn Wandalen <wandalen.me@gmail.com>
 Kris Kowal <kris.kowal@cixar.com>
+Kunal Pathak <Kunal.Pathak@microsoft.com> <kpathak@microsoft.com>
 Kyle Robinson Young <kyle@dontkry.com>
 Lakshmi Swetha Gopireddy <lakshmiswethagopireddy@gmail.com> <lakshmigopireddy@in.ibm.com>
 Lakshmi Swetha Gopireddy <lakshmiswethagopireddy@gmail.com> <lgopired@in.ibm.com>

AUTHORS

@@ -1600,7 +1600,6 @@ rockcoder23 <rockcoder23@gmail.com>
 Anton Paras <anton@paras.nu>
 Pratik Jain <pratik.jain0509@gmail.com>
 Shivanth MP <fordearlinux@gmail.com>
-Kunal Pathak <kpathak@microsoft.com>
 erdun <494251936@qq.com>
 Jiajie Hu <jiajie.hu@intel.com>
 Matt Woicik <mattwoicik@gmail.com>