util/release: Update gerrit_stats script for release

- Change delimiter characters to safe characters to keep the output
from getting mangled when imported into a spreadsheet.
- Change hyphens for statistics to asterisks for easier use in the
release notes.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I94f581d697f58cb29a662ac70ef9fd1d8c1e98ef
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77332
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

0 files changed, 0 insertions, 0 deletions