Replace interface{} with any (#25686)

Result of running `perl -p -i -e 's#interface\{\}#any#g' **/*` and `make fmt`.

Basically the same [as golang did](2580d0e08d).

modules/templates/util_misc.go

@@ -174,7 +174,7 @@ func FilenameIsImage(filename string) bool {
 	return strings.HasPrefix(mimeType, "image/")
 }
 
-func TabSizeClass(ec interface{}, filename string) string {
+func TabSizeClass(ec any, filename string) string {
 	var (
 		value *editorconfig.Editorconfig
 		ok    bool