Not compatible with caddy >= 2.8.4, v2.9.1, v2.10.0 (new libdns version?)

[coolaj86]

Works with caddy v2.7.6, but broken for versions above that.

# github.com/libdns/namedotcom
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:88:74: record.ID undefined (type libdns.Record has no field or method ID)
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:98:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:102:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:106:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:110:10: invalid composite literal type libdns.Record

/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:126:82: canidateRecord.ID undefined (type libdns.Record has no field or method ID)
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:133:20: canidateRecord.ID undefined (type libdns.Record has no field or method ID)
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:141:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:145:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:153:10: invalid composite literal type libdns.Record
/Users/aj/go/pkg/mod/github.com/libdns/namedotcom@v0.3.3/client.go:153:10: too many errors