add model_type to fix file too long issue

Signed-off-by: Jared Wilber <jwilber@nvidia.com>

Author: jwilber

ci/benchmarks/partial-conv/evo2_pretrain.yaml

@@ -9,6 +9,7 @@ key_segments:
   wu_steps: False
   artefacts_url: False
   file_name_wheel: False
+  model_type: False
 script_args:
   # All arguments referenced in the script string must be specified here.
   # Arguments not referenced in the script string must have the 'arg' field specified.