ti50: Update release notes for 0.23.101 and 0.24.101

Add missing header line.

BUG=b:344880356,b:343709384
TEST=See header line in preview

Change-Id: Id7ee9525c802ec08d3ea4dce0bdc364c1db314d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/5672656
Commit-Queue: Mary Ruthven <mruthven@chromium.org>
Reviewed-by: Jett Rink <jettrink@google.com>
Tested-by: Mary Ruthven <mruthven@chromium.org>