add appoval check for python/paddle/fluid (PaddlePaddle#56264)

tools/check_file_diff_approvals.sh

@@ -320,6 +320,12 @@ if [ "${HAS_MODIFIED_STATIC_BUILD}" != "" ] && [ "${GIT_PR_ID}" != ""]; then
     check_approval 1 From00 zhiqiu
 fi
 
+HAS_MODIFIED_PY_FLUID=`git diff --name-only upstream/$BRANCH | grep "python/paddle/fluid" || true`
+if [ "${HAS_MODIFIED_PY_FLUID}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
+    echo_line="You must have one RD (zoooo0820(Recommend), or jeff41404) approval for file changes in python/paddle/fluid, because fluid API is going to be removed.\n"
+    check_approval 1 zoooo0820 jeff41404
+fi
+
 ALL_PADDLE_ENFORCE=`git diff -U0 upstream/$BRANCH |grep "^+" |grep -zoE "PADDLE_ENFORCE\(.[^,\);]+.[^;]*\);\s" || true`
 if [ "${ALL_PADDLE_ENFORCE}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
     echo_line="PADDLE_ENFORCE is not recommended. Please use PADDLE_ENFORCE_EQ/NE/GT/GE/LT/LE or PADDLE_ENFORCE_NOT_NULL or PADDLE_ENFORCE_GPU_SUCCESS instead, see [ https://github.com/PaddlePaddle/Paddle/wiki/PADDLE_ENFORCE-Rewriting-Specification ] for details.\nYou must have one RD (chenwhql (Recommend), luotao1 (Recommend) or lanxianghit or Aurelius84) approval for the usage (either add or delete) of PADDLE_ENFORCE.\n${ALL_PADDLE_ENFORCE}\n"