Add bitwise_not operator

[stever178]

pytest output:

=============================== test session starts ================================
platform linux -- Python 3.12.5, pytest-8.3.5, pluggy-1.5.0
rootdir: /home/lsj/projects/ntops
configfile: pyproject.toml
plugins: cov-6.1.1
collected 110 items

tests/test_abs.py ........                                                   [  7%]
tests/test_add.py ........                                                   [ 14%]
tests/test_addmm.py ..                                                       [ 16%]
tests/test_bitwise_not.py ................                                   [ 30%]
tests/test_bmm.py ..                                                         [ 32%]
tests/test_cos.py ........                                                   [ 40%]
tests/test_div.py ........                                                   [ 47%]
tests/test_exp.py ........                                                   [ 54%]
tests/test_gelu.py ........                                                  [ 61%]
tests/test_mm.py ..                                                          [ 63%]
tests/test_mul.py ........                                                   [ 70%]
tests/test_relu.py ........                                                  [ 78%]
tests/test_rsqrt.py ........                                                 [ 85%]
tests/test_sigmoid.py ........                                               [ 92%]
tests/test_sin.py ........                                                   [100%]

========================= 110 passed in 338.61s (0:05:38) ==========================

[voltjia]

pytest output:

============================= test session starts ==============================
platform linux -- Python 3.10.12, pytest-8.3.3, pluggy-1.5.0
rootdir: /home/huangjiacheng/ntops
configfile: pyproject.toml
plugins: cov-6.0.0
collected 230 items

tests/test_abs.py ........                                               [  3%]
tests/test_add.py ........                                               [  6%]
tests/test_addmm.py ..                                                   [  7%]
tests/test_bitwise_and.py ................                               [ 14%]
tests/test_bitwise_not.py ................                               [ 21%]
tests/test_bitwise_or.py ................                                [ 28%]
tests/test_bmm.py ..                                                     [ 29%]
tests/test_cos.py ........                                               [ 33%]
tests/test_div.py ........                                               [ 36%]
tests/test_eq.py ........                                                [ 40%]
tests/test_exp.py ........                                               [ 43%]
tests/test_ge.py ........                                                [ 46%]
tests/test_gelu.py ........                                              [ 50%]
tests/test_gt.py ........                                                [ 53%]
tests/test_isinf.py ........                                             [ 57%]
tests/test_isnan.py ........                                             [ 60%]
tests/test_le.py ........                                                [ 64%]
tests/test_lt.py ........                                                [ 67%]
tests/test_mm.py ..                                                      [ 68%]
tests/test_mul.py ........                                               [ 72%]
tests/test_ne.py ........                                                [ 75%]
tests/test_neg.py ........                                               [ 79%]
tests/test_relu.py ........                                              [ 82%]
tests/test_rsqrt.py ........                                             [ 86%]
tests/test_sigmoid.py ........                                           [ 89%]
tests/test_sin.py ........                                               [ 93%]
tests/test_softmax.py ........                                           [ 96%]
tests/test_tanh.py ........                                              [100%]

======================= 230 passed in 850.99s (0:14:10) ========================