package/mongoose: bump to version 7.16
https://github.com/cesanta/mongoose/releases/tag/7.16
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Vincent Jardin <vjardin@free.fr>
Signed-off-by: Julien Olivain <ju.o@free.fr>