package/python-pillow: security bump to version 8.2.0

- Fix numerous CVEs:
  https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#security
  https://pillow.readthedocs.io/en/stable/releasenotes/8.1.2.html#security
  https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html#security
  https://pillow.readthedocs.io/en/stable/releasenotes/8.1.0.html#security
- Update license to HPND:
  https://github.com/python-pillow/Pillow/commit/81078e8a0d26c9094446a64aadfa8047b8af3484

https://pillow.readthedocs.io/en/stable/releasenotes/index.html



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>