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/libpldmresponder/bios_config.hpp b/libpldmresponder/bios_config.hpp
index 98734ba..430798f 100644
--- a/libpldmresponder/bios_config.hpp
+++ b/libpldmresponder/bios_config.hpp
@@ -1,19 +1,20 @@
 #pragma once
 
+#include "bios_table.h"
+
 #include "bios_attribute.hpp"
 #include "bios_table.hpp"
 
+#include <nlohmann/json.hpp>
+
 #include <functional>
 #include <iostream>
 #include <memory>
-#include <nlohmann/json.hpp>
 #include <optional>
 #include <set>
 #include <string>
 #include <vector>
 
-#include "bios_table.h"
-
 namespace pldm
 {
 namespace responder