top-complexity: lower the max allowed complexity to 60

Closes #20706

scripts/top-complexity

@@ -78,8 +78,9 @@ my %whitelist = (
 
     );
 
-# functions with complexity above this level causes the function to return error
-my $cutoff = 70;
+# complexity above this level is treated as an error and contributes to the
+# script's exit code
+my $cutoff = 60;
 
 # show this many from the top
 my $top = $ARGV[0] ? $ARGV[0] : 25;