[3.12] Fix error message of "Check if Autoconf files are up to date" job (GH-126683) (#126718)

Fix error message of "Check if Autoconf files are up to date" job (GH-126683)
(cherry picked from commit 0052a8c638518447baf39ae02b6ff6a309efd4ce)

Co-authored-by: sobolevn <mail@sobolevn.me>