dns/knot-resolver: Fix PLIST

• Bump PORTREVISION for package change

> Checking for pkg-plist issues (check-plist)

> Parsing plist

> Checking for items in STAGEDIR missing from pkg-plist

Error: Orphaned: lib/knot-resolver/debug_opensslkeylog.so

> Checking for items in pkg-plist which are not in STAGEDIR

> Error: Plist issues found.

• Error code 1

Stop.
make: stopped in /usr/ports/dns/knot-resolver