clang-format: copy latest and re-format

clang-format-16 has some backwards incompatible changes that require
additional settings for best compatibility and re-running the formatter.
Copy the latest .clang-format from the docs repository and reformat the
repository.

Change-Id: I0a1783b101aa4e7d4b80fd5e1fc1b2beb86c5caa
diff --git a/test/helper.cpp b/test/helper.cpp
index d2c6169..191c944 100644
--- a/test/helper.cpp
+++ b/test/helper.cpp
@@ -15,6 +15,7 @@
 #include "helper.hpp"
 
 #include <ipmid/api-types.hpp>
+
 #include <optional>
 #include <span>
 #include <utility>