[libcxx][ranges] Add `ranges::iota_view`.

Differential Revision: https://reviews.llvm.org/D107396

NOKEYCHECK=True
GitOrigin-RevId: 7b20e05c714e273ebe89d713cec61e5a022bbac6
diff --git a/include/module.modulemap b/include/module.modulemap
index f7c899c..079dff2 100644
--- a/include/module.modulemap
+++ b/include/module.modulemap
@@ -658,6 +658,7 @@
       module empty_view             { private header "__ranges/empty_view.h"            }
       module enable_borrowed_range  { private header "__ranges/enable_borrowed_range.h" }
       module enable_view            { private header "__ranges/enable_view.h"           }
+      module iota_view              { private header "__ranges/iota_view.h"             }
       module non_propagating_cache  { private header "__ranges/non_propagating_cache.h" }
       module ref_view               { private header "__ranges/ref_view.h"              }
       module reverse_view           { private header "__ranges/reverse_view.h"          }