fix(ci): fix typo in notebook skip list for transport_cuopt

'trnsport_cuopt' → 'transport_cuopt': the missing 'a' meant the pattern
never matched, so GAMSPy_integration_example/transport_cuopt.ipynb was
never skipped. It ran and failed with:

  gmscuopt: error while loading shared libraries: libcublas.so.13: cannot open shared object file

The GAMS cuOpt integration requires LD_LIBRARY_PATH configuration that
the conda notebook test environment does not provide, so the notebook is
intentionally skipped until that setup is in place.

Fixes: https://github.com/NVIDIA/cuopt/actions/runs/28426561531/job/84404065735

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: ramakrishnap-nv

ci/utils/nbtest.sh

@@ -34,7 +34,7 @@ for nb in "$@"; do
 
     # Skip notebooks that are not yet supported
     SKIP_NOTEBOOKS=(
-        "trnsport_cuopt"
+        "transport_cuopt"
         "Production_Planning_Example_Pulp"
         "Simple_LP_pulp"
         "Simple_MIP_pulp"