Update to git version v2.30.0, this requires changes for these
upstream commits:
* 88894aaeeae92e8cb41143cc2e045f50289dc790
blame: simplify 'setup_scoreboard' interface
* 1fbfdf556f2abc708183caca53ae4e2881b46ae2
banned.h: mark non-reentrant gmtime, etc as banned
Signed-off-by: Christian Hesse <mail@eworm.de>
Change-Id: I6076ef250102010b601c92e9ea5bab2061b77006