style: pre-commit fixes

Author: pre-commit-ci[bot]

include/pybind11/pybind11.h

@@ -604,7 +604,8 @@ class cpp_function : public function {
             if (PyCFunction_Check(rec->sibling.ptr())) {
                 auto *self = PyCFunction_GET_SELF(rec->sibling.ptr());
                 if (self == nullptr) {
-                    pybind11_fail("initialize_generic: Unexpected nullptr from PyCFunction_GET_SELF");
+                    pybind11_fail(
+                        "initialize_generic: Unexpected nullptr from PyCFunction_GET_SELF");
                 }
                 chain = detail::function_record_ptr_from_PyObject(self);
                 if (chain && !chain->scope.is(rec->scope)) {