Changelog:
===========
-Use latest skeleton
-Update license list to latest ScanCode and SPDX 3.23
-Drop support for Python 3.7
-Release prep v30.3.0
(From OE-Core rev: c8763d3653ad5dd508d72163ba844f3f5b901136)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>