chore: bump sgl-kernel version to 0.4.1.post1 (#23720)

Co-authored-by: sglang-bot <sglang-bot@users.noreply.github.com>
Co-authored-by: Kangyan Zhou <kangyan.zhou@radixark.ai>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

test/registered/models/test_nvidia_nemotron_3_nano.py

@@ -4,7 +4,11 @@ from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.lm_eval_kit import LMEvalMixin
 from sglang.test.server_fixtures.default_fixture import DefaultServerBase
 
-register_cuda_ci(est_time=564, suite="stage-b-test-2-gpu-large")
+register_cuda_ci(
+    est_time=564,
+    suite="stage-b-test-2-gpu-large",
+    disabled="Temporarily disabled; failing on main.",
+)
 
 NEMOTRON_3_NANO_THINKING_ARGS = [
     "--trust-remote-code",