fix: print current and updated version correctly

The issue appears in case if versions ar the same (e.g. rebuild); in
this case printer doesn't increment version as builder does.

Also util has been renamed to utils, keeping backward compatibiltiy

tests/ahriman/web/test_routes.py

@@ -7,7 +7,7 @@ from pytest_mock import MockerFixture
 from types import ModuleType
 
 from ahriman.core.configuration import Configuration
-from ahriman.core.util import walk
+from ahriman.core.utils import walk
 from ahriman.web.routes import _dynamic_routes, _module, _modules, setup_routes