chore: use gofumpt for code formatting

internal/provider/privatevpn/updater/countries.go

@@ -3,7 +3,8 @@ package updater
 import "strings"
 
 func codeToCountry(countryCode string, countryCodes map[string]string) (
-	country string, warning string) {
+	country string, warning string,
+) {
 	countryCode = strings.ToLower(countryCode)
 	country, ok := countryCodes[countryCode]
 	if !ok {

internal/provider/privatevpn/updater/filename.go

@@ -7,9 +7,7 @@ import (
 	"strings"
 )
 
-var (
-	trailingNumber = regexp.MustCompile(` [0-9]+$`)
-)
+var trailingNumber = regexp.MustCompile(` [0-9]+$`)
 
 var (
 	errBadPrefix      = errors.New("bad prefix in file name")

internal/provider/privatevpn/updater/servers.go

@@ -14,7 +14,8 @@ import (
 )
 
 func (u *Updater) FetchServers(ctx context.Context, minServers int) (
-	servers []models.Server, err error) {
+	servers []models.Server, err error,
+) {
 	const url = "https://privatevpn.com/client/PrivateVPN-TUN.zip"
 	contents, err := u.unzipper.FetchAndExtract(ctx, url)
 	if err != nil {

internal/provider/privatevpn/updater/updater.go

@@ -11,7 +11,8 @@ type Updater struct {
 }
 
 func New(unzipper common.Unzipper, warner common.Warner,
-	parallelResolver common.ParallelResolver) *Updater {
+	parallelResolver common.ParallelResolver,
+) *Updater {
 	return &Updater{
 		unzipper:         unzipper,
 		parallelResolver: parallelResolver,