committers-src: add myself

Add myself (vexeduxr@) as a new src committer with imp@ as my mentor.

Approved by: imp (mentor)
Differential Revision: https://reviews.freebsd.org/D50824

share/misc/committers-src.dot

@@ -384,6 +384,7 @@ uqs [label="Ulrich Spoerlein\nuqs@FreeBSD.org\n2010/01/28"]
 vangyzen [label="Eric van Gyzen\nvangyzen@FreeBSD.org\n2015/03/08"]
 vanhu [label="Yvan Vanhullebus\nvanhu@FreeBSD.org\n2008/07/21"]
 versus [label="Konrad Jankowski\nversus@FreeBSD.org\n2008/10/27"]
+vexeduxr [label="Ahmad Khalifa\nvexeduxr@FreeBSD.org\n2025/06/13"]
 vmaffione [label="Vincenzo Maffione\nvmaffione@FreeBSD.org\n2018/03/19"]
 weongyo [label="Weongyo Jeong\nweongyo@FreeBSD.org\n2007/12/21"]
 wes [label="Wes Peters\nwes@FreeBSD.org\n1998/11/25"]
@@ -638,6 +639,7 @@ imp -> takawata
 imp -> toshi
 imp -> tsoome
 imp -> uch
+imp -> vexeduxr
 
 jake -> bms
 jake -> gordon