ci: increase the min diff threshold to 3 %

Author: triceo

.github/workflows/performance_score_director.yml

@@ -174,10 +174,10 @@ jobs:
           export DIFF_END=$(echo "scale=2; ($OLD_RANGE_END / $NEW_RANGE_END) * 100" | bc)
           export FAIL=false
           
-          if (( $(echo "$DIFF_MID >= 98.00" | bc -l) && $(echo "$DIFF_MID <= 102.00"|bc -l) )); then
-            # Ignore differences of up to 2 %.
+          if (( $(echo "$DIFF_MID >= 97.00" | bc -l) && $(echo "$DIFF_MID <= 103.00"|bc -l) )); then
+            # Ignore differences of up to 3 %.
             echo "### Performance unchanged" >> $GITHUB_STEP_SUMMARY
-            echo "(Decided to ignore a very small difference of under 2 %.)" >> $GITHUB_STEP_SUMMARY
+            echo "(Decided to ignore a very small difference of under 3 %.)" >> $GITHUB_STEP_SUMMARY
           else
             if [ "$NEW_RANGE_START" -le "$OLD_RANGE_END" ] && [ "$NEW_RANGE_END" -ge "$OLD_RANGE_START" ]; then
               if [ "$NEW_RANGE_START" -ge "$OLD_RANGE_MID" ]; then