Bump version

gradle.properties

@@ -11,7 +11,7 @@ yarn_mappings=1.19.3+build.2
 loader_version=0.14.11
 
 # Mod Properties
-mod_version=1.2.0
+mod_version=1.2.1
 maven_group=me.lortseam
 archives_base_name=bettermounthud