Remove space before colon

Author: 88572

src/displayapp/screens/FirmwareValidation.cpp

@@ -17,8 +17,8 @@ namespace {
 FirmwareValidation::FirmwareValidation(Pinetime::Controllers::FirmwareValidator& validator) : validator {validator} {
   labelVersion = lv_label_create(lv_scr_act(), nullptr);
   lv_label_set_text_fmt(labelVersion,
-                        "Version : %lu.%lu.%lu\n"
-                        "ShortRef : %s",
+                        "Version: %lu.%lu.%lu\n"
+                        "ShortRef: %s",
                         Version::Major(),
                         Version::Minor(),
                         Version::Patch(),