Changelog:
-----
#3638: Drop a test dependency on the mock package, always use unittest.mock
#3659: Fixed REDoS vector in package_index.
(From OE-Core rev: f508081b34c297321b6a15e81d593cebc5efaee6)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
