committers-ports.dot: add tiga and mentors

Onboard new ports committer Tiago Gasiba (tiga)
in accordance with step 5 of sec. 7.1 committer's guide

PR: 289889
Approved by:    eduardo, flo (mentors)

share/misc/committers-ports.dot

@@ -292,6 +292,7 @@ tagattie [label="Hiroki Tagato\ntagattie@FreeBSD.org\n2020/04/01"]
 tcberner [label="Tobias C. Berner\ntcberner@FreeBSD.org\n2016/07/06"]
 tdb [label="Tim Bishop\ntdb@FreeBSD.org\n2005/11/30"]
 thierry [label="Thierry Thomas\nthierry@FreeBSD.org\n2004/03/15"]
+tiga [label="Tiago Gasiba\ntiga@FreeBSD.org\n2025/09/28"]
 tijl [label="Tijl Coosemans\ntijl@FreeBSD.org\n2013/03/27"]
 timur [label="Timur Bakeyev\ntimur@FreeBSD.org\n2007/06/07"]
 tobik [label="Tobias Kortkamp\ntobik@FreeBSD.org\n2017/02/08"]
@@ -448,6 +449,7 @@ eadler -> tj
 eadler -> vg
 
 eduardo -> fuz
+eduardo -> tiga
 
 edwin -> cperciva
 edwin -> erwin
@@ -487,6 +489,7 @@ flo -> fuz
 flo -> jase
 flo -> jbeich
 flo -> grembo
+flo -> tiga
 
 fluffy -> vishwin