SUSE-SU-2021:1940-1 Security update for python-Pillow

This update for python-Pillow fixes the following issues: - CVE-2021-25290: Fixed a negative-offset memcpy with an invalid size in TiffDecode.c bsc1183105. - CVE-2021-27922,CVE-2021-27923: Fixed improper reported size of a contained image bsc1183108,bsc1183107 - CVE-2020-35653: Fixed buffer...