Remove Django<4 compat in FieldRenderer.get_label_html (#717)

src/django_bootstrap5/renderers.py

@@ -381,11 +381,7 @@ def get_field_html(self):
     def get_label_html(self, horizontal=False):
         """Return value for label."""
         label_html = "" if self.show_label == "skip" else self.field.label
-        if isinstance(self.widget, (RadioSelect, CheckboxSelectMultiple)):
-            # TODO: This is a fix for Django < 4, remove after we drop support for Django 3
-            label_for = None
-        else:
-            label_for = self.field.id_for_label
+        label_for = self.field.id_for_label
         if label_html:
             label_html = render_label(
                 label_html,