Bump hardcoded version strings

Author: Joehuu

RMSKIN/RMSKIN.ini

@@ -1,7 +1,7 @@
 [rmskin]
 Name=uhe
 Author=Joehu et al.
-Version=v1.2.1
+Version=v1.3.1
 LoadType=Layout
 Load=uhe Default Layout
 MinimumRainmeter=4.4.0.3380

RMSKIN/Skins/uhe/@Resources/Variables/mainvariables.inc

@@ -11,7 +11,7 @@ ContextAction=["#@#Variables/mainvariables.inc"]
 Group=AllSkins
 
 [Variables]
-CurrentVersion=v1.2.1
+CurrentVersion=v1.3.1
 
 FontFace=Roboto Condensed
 DisplayFont=Bebas Neue