Changelog:
==========
Allow "extra" to be None in the marker environment (:issue:'650')
Refactor tags._generic_api to use EXT_SUFFIX (:issue:'607')
Correctly handle trailing whitespace on URL requirements (:issue:'642')
Fix typing for specifiers.BaseSpecifier.filter() (:issue:'643')
Use stable Python 3.11 in tests (:issue:'641')
Correctly handle non-normalised specifiers in requirements (:issue:'634')
Move to src/ layout (:issue:'626')
Remove __about__ file, in favour of keeping constants in __init__ (:issue:'626')
(From OE-Core rev: 9f34a926ef1bfb17119d71a0229e475a58a33df7)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
