modify speech stephints

Author: priyakasimbeg

algoperf/workloads/librispeech_conformer/workload.py

@@ -89,4 +89,4 @@ def eval_period_time_sec(self) -> int:
   @property
   def step_hint(self) -> int:
     """Approx. steps the baseline can do in the allowed runtime budget."""
-    return 76_000
+    return 80_000

algoperf/workloads/librispeech_deepspeech/librispeech_jax/workload.py

@@ -94,7 +94,7 @@ def test_target_value(self) -> float:
   @property
   def step_hint(self) -> int:
     """Approx. steps the baseline can do in the allowed runtime budget."""
-    return 38_400
+    return 48_000
 
   @property
   def max_allowed_runtime_sec(self) -> int: