Merge pull request moodle#1380 from moodle/create-pull-request/patch

[repo] Update Moodle Component metadata

Author: andrewnicols

data/moodle-contributors.txt

@@ -82,6 +82,7 @@ Arenaza
 Ariste
 Arjen
 Arjona
+Arnaldo
 Arnaud
 Artem
 Arto
@@ -426,6 +427,7 @@ Guillaume
 Guillermo
 Guinoiseau
 Gullon
+Gundersen
 Gupa
 Gupta
 Gustav
@@ -784,6 +786,7 @@ Morton
 Mouneyrac
 Mudrak
 Mudrák
+Muhammad
 Muras
 Myers
 Myles
@@ -1296,6 +1299,7 @@ aredkin
 arjun-kallapur
 ashleyholman
 aszora
+aya-saad1
 aya.saad
 barbararamiro
 barias