style: pre-commit fixes

Author: pre-commit-ci[bot]

tests/test_cmake_build/embed.cpp

@@ -1,5 +1,5 @@
-#include <pybind11/pybind11.h>
 #include <pybind11/embed.h>
+#include <pybind11/pybind11.h>
 
 namespace py = pybind11;