More PWG reviewers (#1550)

Co-authored-by: Benedikt Volkel <benedikt.volkel@cern.ch>

Author: benedikt-voelkel

CODEOWNERS

@@ -23,5 +23,9 @@
 /MC/*/PWGHF @AliceO2Group/reviewers-pwg-hf @sawenzel @chiarazampolli @benedikt-voelkel
 /MC/*/PWGLF @AliceO2Group/reviewers-pwg-lf @sawenzel @chiarazampolli @benedikt-voelkel
 /MC/*/PWGEM @AliceO2Group/reviewers-pwg-em @sawenzel @chiarazampolli @benedikt-voelkel
+/MC/*/PWGGAJE @AliceO2Group/reviewers-pwg-je @sawenzel @chiarazampolli @benedikt-voelkel
+/MC/*/PWGCF @AliceO2Group/reviewers-pwg-cf @sawenzel @chiarazampolli @benedikt-voelkel
+/MC/*/PWGDQ @AliceO2Group/reviewers-pwg-dq @sawenzel @chiarazampolli @benedikt-voelkel
+/MC/*/PWGUD @AliceO2Group/reviewers-pwg-ud @sawenzel @chiarazampolli @benedikt-voelkel
 
 /RelVal @sawenzel @chiarazampolli @benedikt-voelkel