Merge pull request #1400 from moodle/create-pull-request/patch

[repo] Update Moodle Component metadata

Author: andrewnicols

data/moodle-contributors.txt

@@ -277,6 +277,7 @@ Delius
 Demeshev
 Denis
 Deniz
+Dennis
 Derek
 Derick
 Deshapriya
@@ -891,6 +892,7 @@ Petit-Clair
 Petr
 Petro
 Petterson
+Pfahl
 Pham
 Philip
 Philipp