Version 3.2.13

Bugfixes:

• knotd: insufficient metadata check can cause journal corruption
• knotd: failed to build on macOS #909
• knotd: early NSEC3 salt replanning if 'nsec3-salt-lifetime: -1'
• knotc: zone check complains about missing zone file #913
• kdig: failed to parse empty QNAME (do not fill question section)
• python: failed to set an empty configuration value
• libzscanner: incorrect alpn processing #923
• libknot: insufficient check for malformed TCP header options over XDP
• libknot: infinite loop in knot_rrset_to_wire_extra() #916