[BugFix] Fix parquet Int96 timestamp write for Arrow 24

parquet::Int96::value changed from a C array (uint32_t[3]) to
std::array<uint32_t, 3> in the Arrow 24 bundled Parquet headers, so pointer
arithmetic and reinterpret_cast on it no longer compile. Use .data() to get
the underlying pointer in level_builder's INT96 timestamp encoding path.

Author: Hyper-FF

be/src/formats/parquet/level_builder.cpp

@@ -394,8 +394,8 @@ Status LevelBuilder::_write_datetime_column_chunk(const LevelBuilderContext& ctx
                                                       : data_col[i]._timestamp;
 
         if constexpr (use_int96_timestamp_encoding) {
-            auto date = reinterpret_cast<int32_t*>(values[i].value + 2);
-            auto nanosecond = reinterpret_cast<int64_t*>(values[i].value);
+            auto date = reinterpret_cast<int32_t*>(values[i].value.data() + 2);
+            auto nanosecond = reinterpret_cast<int64_t*>(values[i].value.data());
             *date = timestamp::to_julian(timestamp);
             *nanosecond = timestamp::to_time(timestamp) * 1000;
         } else {