[dt] use 'parse_datetime_iso()' for ISO formats

gallery_dl/extractor/lensdump.py

@@ -119,8 +119,7 @@ class LensdumpImageExtractor(LensdumpBase, Extractor):
                 'property="image:width" content="', '"')),
             "height": text.parse_int(extr(
                 'property="image:height" content="', '"')),
-            "date"  : self.parse_datetime(extr(
-                '<span title="', '"'), "%Y-%m-%d %H:%M:%S"),
+            "date"  : self.parse_datetime_iso(extr('<span title="', '"')),
         }
 
         text.nameext_from_url(data["url"], data)