Makes it work with Torch 2.7

[FurkanGozukara]

Makes it work with Torch 2.7

[asurinsaka]

This fix solve the following error:

Traceback (most recent call last):
  File "/home/asurin/Videos/youtube/../Real-ESRGAN/inference_realesrgan_video.py", line 10, in <module>
    from basicsr.archs.rrdbnet_arch import RRDBNet
  File "/home/asurin/Videos/Real-ESRGAN/venv/lib/python3.12/site-packages/basicsr/__init__.py", line 4, in <module>
    from .data import *
  File "/home/asurin/Videos/Real-ESRGAN/venv/lib/python3.12/site-packages/basicsr/data/__init__.py", line 22, in <module>
    _dataset_modules = [importlib.import_module(f'basicsr.data.{file_name}') for file_name in dataset_filenames]
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/asurin/.asdf/installs/python/3.12.3/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/asurin/Videos/Real-ESRGAN/venv/lib/python3.12/site-packages/basicsr/data/realesrgan_dataset.py", line 11, in <module>
    from basicsr.data.degradations import circular_lowpass_kernel, random_mixed_kernels
  File "/home/asurin/Videos/Real-ESRGAN/venv/lib/python3.12/site-packages/basicsr/data/degradations.py", line 8, in <module>
    from torchvision.transforms.functional_tensor import rgb_to_grayscale
ModuleNotFoundError: No module named 'torchvision.transforms.functional_tensor'

[FurkanGozukara]

yep this fix is important