logrotate: upgrade 3.19.0 -> 3.20.1

logrotate: upgrade 3.19.0 -> 3.20.1

Changelog:
=========
drop world-readable permission on state file even when ACLs are enabled (#446)
fix potential DoS from unprivileged users via the state file (CVE-2022-1348)
fix a misleading debug message with copytruncate and rotate 0 (#443)
add support for unsigned time_t (#438)
do not lock state file /dev/null (#433)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>