4dc418cfa9a5ba0ca32f53590c229c14a27a7d39 New: Ability to give a custo…

…m class to the row selection checkbox

New: Bootstrap 5 integration makes use of this to style the checkboxes

Looks like only Bootstrap 5 will benefit from this at the moment. BS3/4,
Bulma and Semantic UI don't have a class to apply directly.

Sync to source repo @4dc418cfa9a5ba0ca32f53590c229c14a27a7d39

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/Select",
     "last-tag": "2.0.1",
-    "last-sync": "0278c079772272387c3d8a3363fc4951740f6763"
+    "last-sync": "4dc418cfa9a5ba0ca32f53590c229c14a27a7d39"
 }