Localize all the GroupBy*Date methods

Fixes #9745

tpl/time/init.go

@@ -28,7 +28,7 @@ func init() {
 		if d.Language == nil {
 			panic("Language must be set")
 		}
-		ctx := New(langs.GetTranslator(d.Language), langs.GetLocation(d.Language))
+		ctx := New(langs.GetTimeFormatter(d.Language), langs.GetLocation(d.Language))
 
 		ns := &internal.TemplateFuncsNamespace{
 			Name: name,

tpl/time/time.go

@@ -21,15 +21,13 @@ import (
 
 	"github.com/gohugoio/hugo/common/htime"
 
-	"github.com/gohugoio/locales"
-
 	"github.com/spf13/cast"
 )
 
 // New returns a new instance of the time-namespaced template functions.
-func New(translator locales.Translator, location *time.Location) *Namespace {
+func New(timeFormatter htime.TimeFormatter, location *time.Location) *Namespace {
 	return &Namespace{
-		timeFormatter: htime.NewTimeFormatter(translator),
+		timeFormatter: timeFormatter,
 		location:      location,
 	}
 }

tpl/time/time_test.go

@@ -20,6 +20,7 @@ import (
 
 	qt "github.com/frankban/quicktest"
 
+	"github.com/gohugoio/hugo/common/htime"
 	translators "github.com/gohugoio/localescompressed"
 )
 
@@ -27,7 +28,7 @@ func TestTimeLocation(t *testing.T) {
 	t.Parallel()
 
 	loc, _ := time.LoadLocation("America/Antigua")
-	ns := New(translators.GetTranslator("en"), loc)
+	ns := New(htime.NewTimeFormatter(translators.GetTranslator("en")), loc)
 
 	for i, test := range []struct {
 		name     string
@@ -86,7 +87,7 @@ func TestFormat(t *testing.T) {
 
 	c.Run("UTC", func(c *qt.C) {
 		c.Parallel()
-		ns := New(translators.GetTranslator("en"), time.UTC)
+		ns := New(htime.NewTimeFormatter(translators.GetTranslator("en")), time.UTC)
 
 		for i, test := range []struct {
 			layout string
@@ -129,7 +130,7 @@ func TestFormat(t *testing.T) {
 
 		loc, err := time.LoadLocation("America/Los_Angeles")
 		c.Assert(err, qt.IsNil)
-		ns := New(translators.GetTranslator("en"), loc)
+		ns := New(htime.NewTimeFormatter(translators.GetTranslator("en")), loc)
 
 		d, err := ns.Format(":time_full", "2020-03-09T11:00:00")
 
@@ -143,7 +144,7 @@ func TestFormat(t *testing.T) {
 func TestDuration(t *testing.T) {
 	t.Parallel()
 
-	ns := New(translators.GetTranslator("en"), time.UTC)
+	ns := New(htime.NewTimeFormatter(translators.GetTranslator("en")), time.UTC)
 
 	for i, test := range []struct {
 		unit   any