font-patcher: Increase script version after last bugfix

[why]
With commit
  f240e07 font-patcher: Fix windows Mono family names with --makegroups

the script version did not change, which makes it impossible to say if a
user uses a bugfixed patcher or not.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

font-patcher

@@ -6,7 +6,7 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 # Change the script version when you edit this script:
-script_version = "3.4.3"
+script_version = "3.4.4"
 
 version = "2.3.0"
 projectName = "Nerd Fonts"