ci: QEMU: esp32c3: Need only 1 second to run

Author: AfoHT

examples/esp32c3/runner.sh

@@ -27,7 +27,7 @@ $qemuexec -nographic -monitor tcp:127.0.0.1:55555,server,nowait -icount 3 -machi
 qemupid=$!
 
 # Let it run
-sleep 3s
+sleep 1s
 
 # Kill QEMU nicely by sending 'q' (quit) over tcp
 echo q | nc -N 127.0.0.1 55555 >>"$tempdir"/$qemuoutputfile 2>&1