Changelog:
==========
Use latest skeleton (and updated configure script)
Update license list to latest ScanCode and SPDX 3.19
Use correct syntax for python_require
Drop using Travis and Appveyor
Drop support for Python 3.7 and add Python 3.11
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>