Reduce treeStableTimer to 3 minutes

Author: alexreinking

master/master.cfg

@@ -7,6 +7,7 @@ import operator
 import os
 import re
 from collections import defaultdict
+from datetime import timedelta
 from dataclasses import dataclass
 from functools import reduce
 from pathlib import Path
@@ -1255,7 +1256,7 @@ c["schedulers"] = [
             branch_fn=lambda br: br != "main",
             filter_fn=lambda ch: ch.properties.getProperty("basename") == "main",
         ),
-        treeStableTimer=60 * 3,  # seconds
+        treeStableTimer=timedelta(minutes=3).total_seconds(),
         builderNames=[b1.name for b1 in c["builders"]],
     ),
     ForceScheduler(