Method do_deallocate

src/fl/stl/memory_resource.cpp.hpp:58–61

    }

    void do_deallocate(void* p, fl::size bytes) override {
        FASTLED_UNUSED(bytes);
        fl::PSRamDeallocate(p);
    }

    // PSRAM does not support realloc — returns nullptr to trigger alloc-copy-free path
    // do_reallocate uses the base default (returns nullptr)