Update check_file_diff_approvals.sh (#46393)

tools/check_file_diff_approvals.sh

@@ -443,8 +443,8 @@ fi
 
 SKIP_CI=`git log --pretty=oneline|grep $AGILE_REVISION |grep -w "test=document_fix" || true`
 if [[ ${SKIP_CI} ]];then
-    echo_line="You must have one RD (tianshuo78520a (Recommend),zhiqiu ,phlrain ) approval you add test=document_fix method in commit skips CI"
-    check_approval 1 tianshuo78520a zhiqiu phlrain
+    echo_line="You must have one RD (tianshuo78520a (Recommend), zhiqiu, phlrain ) or PM (Ligoml) approval you add test=document_fix method in commit skips CI"
+    check_approval 1 tianshuo78520a zhiqiu phlrain Ligoml
 fi
 
 # Get the list of PR authors with unresolved unit test issues