htime: Set zone of datetime from from `go-toml`

`go-toml/v2`'s unmarshaler does not specify zone name even if value has
offset explicitly.
To make time-formatting behaviour consistent, convert them into string
in hugo.

Close #8895

diff --git a/common/htime/time.go b/common/htime/time.go
index 33a77ead5c25c3107edfb8b6d53ffc9e5ab4429a..5071b08585ba3709a87bb348ca0e3aa1aefb4c7d 100644 (file)
--- a/common/htime/time.go
+++ b/common/htime/time.go
@@ -136,6 +136,11 @@ func ToTimeInDefaultLocationE(i interface{}, location *time.Location) (tim time.
                return vv.AsTime(location), nil
        case toml.LocalDateTime:
                return vv.AsTime(location), nil
+       // issue #8895
+       // datetimes parsed by `go-toml` have empty zone name
+       // convert back them into string and use `cast`
+       case time.Time:
+               i = vv.Format(time.RFC3339)
        }
        return cast.ToTimeInDefaultLocationE(i, location)
 }