clang-format: update to latest from docs repo

The openbmc/docs/style/cpp/.clang-format has been updated to support
clang-format10, take this opportunity to update it in this repo.

Change-Id: I9e6b9853bf4cd7399b1ae504ea3be5093d763fee
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/sync_manager_main.cpp b/sync_manager_main.cpp
index a808702..ee2ce83 100644
--- a/sync_manager_main.cpp
+++ b/sync_manager_main.cpp
@@ -5,11 +5,12 @@
 
 #include <systemd/sd-event.h>
 
-#include <exception>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/server/manager.hpp>
 
+#include <exception>
+
 int main()
 {
     auto bus = sdbusplus::bus::new_default();