Replace 'resign' with 're-sign'

doc/configuration.rst

src/knot/dnssec/zone-events.c

src/knot/dnssec/zone-events.h

src/knot/events/events.c

src/knot/events/handlers/dnssec.c

src/knot/zone/zone.h

tests-extra/tests/dnssec/bare_slave_signing/test.py

tests-extra/tests/dnssec/case_sensitivity/test.py

tests-extra/tests/dnssec/no_resign/test.py

tests-extra/tests/dnssec/nsec_update/test.py

tests-extra/tools/dnstest/zonefile.py