-Upgrade from python-certifi_2018.8.13.bb to python-certifi_2019.3.9.bb. -Upgrade from python3-certifi_2018.8.13.bb to python3-certifi_2019.3.9.bb. Signed-off-by: Zang Ruochen <zangrc.fnst@cn.fujitsu.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>