chore(ui): update URL

Author: Endika

ui.c

@@ -153,7 +153,7 @@ void ui_setup_views(SubDupFinderApp *app) {
     widget_add_string_element(app->credits_widget, 0, 26, AlignLeft, AlignTop, FontPrimary,
                               "Author: Endika");
     widget_add_string_element(app->credits_widget, 0, 40, AlignLeft, AlignTop, FontSecondary,
-                              "github.com/endika/");
+                              "https://github.com/endika/");
     widget_add_string_element(app->credits_widget, 0, 50, AlignLeft, AlignTop, FontSecondary,
                               "flipper-sub-dup");