feat: raise load threshold from 0.2 to 1.0 before triggering ps aux capture

Adjust the load average threshold in print_load() from 0.2 to 1.0, reducing false positives while still capturing process-level diagnostics during meaningful system load events.

dot.c

@@ -17,7 +17,7 @@ void print_load() {
         perror("getloadavg failed");
         return;
     }
-    if(loadavg[0] > 0.2){
+    if(loadavg[0] > 1.0){
         int result = system("ps aux");
         (void)result;
     }