style: pre-commit fixes

Author: pre-commit-ci[bot]

include/pybind11/detail/common.h

@@ -325,9 +325,9 @@
 // In PyPy 7.3.3, `PyIndex_Check` is implemented by calling `__index__`,
 // while CPython only considers the existence of `nb_index`/`__index__`.
 #if !defined(PYPY_VERSION)
-#   define PYBIND11_INDEX_CHECK(o) PyIndex_Check(o)
+#    define PYBIND11_INDEX_CHECK(o) PyIndex_Check(o)
 #else
-#   define PYBIND11_INDEX_CHECK(o) hasattr(o, "__index__")
+#    define PYBIND11_INDEX_CHECK(o) hasattr(o, "__index__")
 #endif
 #define PYBIND11_LONG_AS_LONGLONG(o) PyLong_AsLongLong(o)
 #define PYBIND11_LONG_FROM_SIGNED(o) PyLong_FromSsize_t((ssize_t) (o))