graphics/py-pillow: upgrade to 8.2.0 + fix vulnerabilities
- Release notes at https://github.com/python-pillow/Pillow/releases/tag/8.2.0
- Security fixes described at
https://github.com/python-pillow/Pillow/pull/5377/commits/8ec027867f19633d9adfc5c8b7504d9b609fc5f1
- Since I´m there, add newer optional dependencies.
Security: CVE-2021-25287
Security: CVE-2021-25288
Security: CVE-2021-28675
Security: CVE-2021-28676
Security: CVE-2021-28677
Security: CVE-2021-28678
PR: 255361
Approved by: koobs (maintainer)