feat: pool of connections for dns over tls and https (qdm12#150)

fix(localdns): move ABOVE filter middleware to avoid conflicts with r…

…ebinding protection

feat(exchanger): add request question context when encountering an error

fix(ci): update goreleaser settings

chore(deps): upgrade gosettings to v0.4.1

fix(ipv6): detect ipv6 non-support with additional error message

- `connect: network is unreachable`

change(nameserver): remove KeepNameserver option

fix(pkg/blockbuilder): make settings fields nilable

chore(dns): bump miekg/dns to v1.1.54

chore(dns): bump miekg/dns to v1.1.54