Update to version 5.2.1

Author: chantal-pic

MANIFEST

@@ -1,5 +1,5 @@
 NAME       : gem
-VERSION    : 5.2.0
+VERSION    : 5.2.1
 BUILD      : RelWithDebInfo
 DESCRIPTION: ECCC-MRD Global Environmental Multi-scale model - GEM
 SUMMARY    : The Global Environmental Multiscale (GEM) model is a numerical weather prediction model developed by the Meteorological Research Division of Environment and Climate Change Canada.
@@ -8,7 +8,7 @@ URL        : https://github.com/ECCC-ASTD-MRD/gem
 
 # Components
 modelutils = 1.7.0
-rpnphy = 6.2.0
+rpnphy = 6.2.1
 gemdyn = 5.2.0
 
 # Dependencies