ci(perf): rebalance again

Author: triceo

.github/workflows/performance_score_director.yml

@@ -72,8 +72,8 @@ jobs:
         working-directory: ./timefold-solver-benchmarks
         shell: bash
         run: |
-          echo "forks=10" > scoredirector-benchmark.properties
-          echo "warmup_iterations=5" >> scoredirector-benchmark.properties
+          echo "forks=15" > scoredirector-benchmark.properties
+          echo "warmup_iterations=10" >> scoredirector-benchmark.properties
           echo "measurement_iterations=5" >> scoredirector-benchmark.properties
           echo "relative_score_error_threshold=0.02" >> scoredirector-benchmark.properties
           echo "score_director_type=cs" >> scoredirector-benchmark.properties