lens-5.3.6 blocked by Hastructure

[juhp]

lens-5.3.6 (changelog) (Edward Kmett ekmett@gmail.com @ekmett) is out of bounds for:

• Hastructure-0.50.4 (>=5.2.3 && < 5.3.6). Xiaoyu Zhang always.zhang@gmail.com @yellowbean. Used by: library

See absbox/Hastructure#314

[alaendle]

Thanks!