[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

test/SerialIOTest.cpp

@@ -1,8 +1,8 @@
 // expose private and protected members for invasive testing
-#include "openPMD/auxiliary/JSON.hpp"
 #include "openPMD/ChunkInfo_internal.hpp"
 #include "openPMD/Datatype.hpp"
 #include "openPMD/IO/Access.hpp"
+#include "openPMD/auxiliary/JSON.hpp"
 #if openPMD_USE_INVASIVE_TESTS
 #define OPENPMD_private public:
 #define OPENPMD_protected public: