use the seed given as argument

scripts/inbreeding/run.nu

@@ -27,7 +27,7 @@ export def main [
             --measurement-schedule-start $options.measurement_schedule_start
             -t $options.max_t
             --test-case end-to-end
-            --prng-seed 123
+            --prng-seed $prng_seed
         ] | lines | into float | save --force baseline.nuon
 
         print "baseline saved to `baseline.nuon`"
@@ -46,7 +46,7 @@ export def main [
                 --test-case recoding
                 --strategy $s
                 --environment $options.environment
-                --prng-seed 123
+                --prng-seed $prng_seed
             ]
                 | lines
                 | parse "{t}, {diversity}"