Add dimensions to group

Author: ZzEeKkAa

numba_dpex/kernel_api/index_space_ids.py

@@ -98,6 +98,14 @@ def leader(self):
         """
         return self._leader
 
+    @property
+    def dimensions(self) -> int:
+        """Returns the rank of a Group object.
+        Returns:
+            int: Number of dimensions in the Group object
+        """
+        return self._global_range.ndim
+
     @leader.setter
     def leader(self, work_item_id):
         """Sets the leader attribute for the group."""