hide the token output to safely (#28716)

paddle/scripts/paddle_build.sh

@@ -727,6 +727,7 @@ function generate_api_spec() {
 }
 
 function check_approvals_of_unittest() {
+    set +x
     if [ "$GITHUB_API_TOKEN" == "" ] || [ "$GIT_PR_ID" == "" ]; then
         return 0
     fi
@@ -736,7 +737,6 @@ function check_approvals_of_unittest() {
         approval_line=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000`
         if [ "${approval_line}" != "" ]; then
             APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 22165420 52485244`
-            set +x
             echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
             if [ "${APPROVALS}" == "TRUE" ]; then
                 echo "==================================="
@@ -750,7 +750,6 @@ function check_approvals_of_unittest() {
         if [ "$unittest_spec_diff" != "" ]; then
             approval_line=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000`
             APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 22165420 52485244 32428676 45041955`
-            set +x
             echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
             if [ "${APPROVALS}" == "FALSE" ]; then
                 echo "************************************"