fix: week error in fuzzing scripts (#4892) (#4897)

Author: its403

.github/workflows/fuzzing.yml

@@ -100,7 +100,7 @@ jobs:
           echo "Found Fuzzing scripts: ${fuzzing_scripts[@]}"
           current_week=($(date -u +%U))
           echo "Current week number: $current_week"
-          at_index=$((($(date -u +%U) % ${#fuzzing_scripts[@]})))
+          at_index=$(((10#$(date -u +%U)) % ${#fuzzing_scripts[@]}))
           selected_script="${fuzzing_scripts[$at_index]}"
           echo "Selected script: $selected_script"
           timeout --preserve-status --signal=SIGINT 60m python $selected_script