25.06 hotfix for SNMG

[viclafargue]

Fixes :

• cuVS SNMG testing
• cuVS SNMG in-place KNN merge issue

[jakirkham]

Seeing the following test failure on CI

FAILED tests/test_serialization.py::test_save_load_brute_force - assert np.False_
 +  where np.False_ = <function all at 0xf122c33d6870>(array([[2681,...pe=(1000, 10)) == array([[2681,...pe=(1000, 10))
 +    where <function all at 0xf122c33d6870> = np.all
    Full diff:
      array([[2681, 2868, 5268, ..., 3485, 8084, 4889],
             [ 155, 7128, 2987, ..., 7575, 3880, 1804],
             [5881, 4361,  154, ..., 4433, 3755, 1491],
             ...,
             [4352, 5289, 8310, ..., 9341, 1631, 2583],
             [8720, 4997, 6181, ..., 9647, 5247,  801],
             [7164, 2848, 2934, ..., 1141, 2924, 5954]], shape=(1000, 10),
      ))

Edit - From offline discussion, this appears to be a flaky test. Tracked in issue: #704

[jakirkham]

The rest of the builds passed. To fix the flaky test failure restarted that build

Edit: Looks like that fixed it