feat(fastestvpn): update servers data using API instead of zip file

- Add city filter
- More dynamic to servers updates on fastestvpn's end
- Update servers data

internal/provider/fastestvpn/provider.go

@@ -2,6 +2,7 @@ package fastestvpn
 
 import (
 	"math/rand"
+	"net/http"
 
 	"github.com/qdm12/gluetun/internal/constants/providers"
 	"github.com/qdm12/gluetun/internal/provider/common"
@@ -15,12 +16,12 @@ type Provider struct {
 }
 
 func New(storage common.Storage, randSource rand.Source,
-	unzipper common.Unzipper, updaterWarner common.Warner,
+	client *http.Client, updaterWarner common.Warner,
 	parallelResolver common.ParallelResolver) *Provider {
 	return &Provider{
 		storage:    storage,
 		randSource: randSource,
-		Fetcher:    updater.New(unzipper, updaterWarner, parallelResolver),
+		Fetcher:    updater.New(client, updaterWarner, parallelResolver),
 	}
 }