Post release version increase (#30)

rpm/sailfishos-chum-gui-installer.spec

@@ -6,7 +6,7 @@ Name:           sailfishos-chum-gui-installer
 # natural number greater or equal to 1, which may be prefixed with one of
 # {alpha,beta,rc,release} (e.g., "beta3").  For details and reasons, see
 # https://github.com/storeman-developers/harbour-storeman-installer/wiki/Git-tag-format
-Version:        0.6.1
+Version:        0.6.2
 Release:        1
 Group:          Applications/System
 URL:            https://github.com/sailfishos-chum/%{name}