Checker fails to consider Co-authored-by and expects an empty line

[satyakris]

Action where it failed despite proper commit message - https://github.com/AudioReach/audioreach.github.io/actions/runs/23536129270/job/68511666452

Error message -

 ❌ Errors in commit 637589fa29f1af0f904f11899829a01c3d9ec89e
  Error:  Body and Signed-off-by must be separated by a blank line

Commit text in question:

audioreach.github.io: move to audioreach-doc@9eacbe0

Changes included from audioreach-doc:
+ arc: Add phase wise roadmap
+ arc: Move ARC documentation to top-level menu

Co-authored-by: Aditya Rathi <aditrath@qti.qualcomm.com>
Signed-off-by: Satya Krishna Pindiproli <satyak@qti.qualcomm.com>

[ynancher]

Hi @satyakris I have merged the changes for this and raised a new tag - v2 with this change.
Have updated preflight checks with this as well. Once @njjetha merges the changes : qualcomm/qcom-reusable-workflows#33 , ideally we shouldnt be seeing this issue.
Thanks for pointing this out!