Auto close "Status: Feedback requested" after a month

This commit closes issues labeled with:
"Status: Feedback requested" after 1 month, if the
label is not removed or the author has not responded

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Closes #10807
Closes #10808