clang-format-11: reformat

The .clang-format file here is an old version of the common one.
Upgrade to the latest and reformat.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic87853e6004d2d5ad6645a3ece8c0c87ccc96efd
diff --git a/snmp_serialize.cpp b/snmp_serialize.cpp
index 98aa97f..2a04109 100644
--- a/snmp_serialize.cpp
+++ b/snmp_serialize.cpp
@@ -1,12 +1,15 @@
-#include <cereal/types/string.hpp>
-#include <cereal/types/vector.hpp>
-#include <cereal/archives/binary.hpp>
-#include <fstream>
+#include "config.h"
 
 #include "snmp_serialize.hpp"
+
 #include "snmp_client.hpp"
+
+#include <cereal/archives/binary.hpp>
+#include <cereal/types/string.hpp>
+#include <cereal/types/vector.hpp>
 #include <phosphor-logging/log.hpp>
-#include "config.h"
+
+#include <fstream>
 
 // Register class version
 // From cereal documentation;