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: I6bbb587615b9d6f158900201ca04a647cb3a8f96
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/src/gtest/tmp.cpp b/src/gtest/tmp.cpp
index 07dfb6d..4d06de5 100644
--- a/src/gtest/tmp.cpp
+++ b/src/gtest/tmp.cpp
@@ -1,8 +1,9 @@
 #include <fmt/format.h>
 
-#include <filesystem>
 #include <stdplus/gtest/tmp.hpp>
 
+#include <filesystem>
+
 namespace stdplus
 {
 namespace gtest