commit_attribution_policy.adoc: Fix git-backport link
The git-backport link points to an old URL.
Fix the link so it points to the correct URL.
Signed-off-by: Prarit Bhargava prarit@redhat.com
The git-backport link points to an old URL.
Fix the link so it points to the correct URL.
Signed-off-by: Prarit Bhargava prarit@redhat.com