clang-format: update to latest from docs repo

Since `Cpp11` is an alias for `Latest` and we should tend towards using the
latest C++ standard, update the C++ standard to Latest.

https://github.com/llvm/llvm-project/commit/e5032567903de19962333c4bf7d2edceaf4f9824#diff-b49a097415dff2837d9626d422c58ba8R82
https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Also, other OpenBMC repos are doing the same.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I449e88bb4e1e262060110e1a8f3e8db3ddfc74cf
diff --git a/dbus_impl_requester.hpp b/dbus_impl_requester.hpp
index e892194..e5c08af 100644
--- a/dbus_impl_requester.hpp
+++ b/dbus_impl_requester.hpp
@@ -3,10 +3,11 @@
 #include "instance_id.hpp"
 #include "xyz/openbmc_project/PLDM/Requester/server.hpp"
 
-#include <map>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/server/object.hpp>
 
+#include <map>
+
 namespace pldm
 {
 namespace dbus_api