[test][nightly_test_3] change seed from 5 to 3

Author: amin1377

vtr_flow/tasks/regression_tests/vtr_reg_nightly_test3/vtr_reg_qor_chain_predictor_off/config/config.txt

@@ -49,4 +49,4 @@ pass_requirements_file=pass_requirements.txt
 
 # Script Parameters
 # Increase relaxed channel width routing iterations to avoid potential unroutes due to RR graph changes
-script_params=-track_memory_usage -crit_path_router_iterations 80 --routing_failure_predictor off --seed 5
+script_params=-track_memory_usage -crit_path_router_iterations 80 --routing_failure_predictor off --seed 3