tpl/data: Deprecate data.GetJSON and data.GetCSV

tpl/data/data.go

@@ -25,6 +25,7 @@ import (
 	"strings"
 
 	"github.com/gohugoio/hugo/cache/filecache"
+	"github.com/gohugoio/hugo/common/hugo"
 	"github.com/gohugoio/hugo/common/maps"
 	"github.com/gohugoio/hugo/config/security"
 
@@ -63,6 +64,8 @@ type Namespace struct {
 // If you provide multiple parts for the URL they will be joined together to the final URL.
 // GetCSV returns nil or a slice slice to use in a short code.
 func (ns *Namespace) GetCSV(sep string, args ...any) (d [][]string, err error) {
+	hugo.Deprecate("data.GetJSON", "use resources.Get or resources.GetRemote with transform.Unmarshal.", "v0.123.0")
+
 	url, headers := toURLAndHeaders(args)
 	cache := ns.cacheGetCSV
 
@@ -102,6 +105,8 @@ func (ns *Namespace) GetCSV(sep string, args ...any) (d [][]string, err error) {
 // If you provide multiple parts they will be joined together to the final URL.
 // GetJSON returns nil or parsed JSON to use in a short code.
 func (ns *Namespace) GetJSON(args ...any) (any, error) {
+	hugo.Deprecate("data.GetJSON", "use resources.Get or resources.GetRemote with transform.Unmarshal.", "v0.123.0")
+
 	var v any
 	url, headers := toURLAndHeaders(args)
 	cache := ns.cacheGetJSON