[urlgalleries] support new URL format

... but the site itself is broken, i.e. image pages are empty.

test/results/urlgalleries.py

@@ -8,6 +8,25 @@ from gallery_dl.extractor import urlgalleries
 
 
 __tests__ = (
+{
+    "#url"     : "https://urlgalleries.net/b/photos2q/porn-gallery-7851311/clarice-window-8",
+    "#category": ("", "urlgalleries", "gallery"),
+    "#class"   : urlgalleries.UrlgalleriesGalleryExtractor,
+    "#range"   : "1-3",
+    "#urls"    : (
+        "https://fappic.com/x207mqkn2463/4gq1yv.jpg",
+        "https://fappic.com/q684ua2rp0j9/4gq1xv.jpg",
+        "https://fappic.com/8vf3n8fgz9po/4gq1ya.jpg",
+    ),
+
+    "blog"      : "photos2q",
+    "count"     : 39,
+    "date"      : "dt:2023-12-08 13:59:00",
+    "gallery_id": "7851311",
+    "num"       : range(1, 3),
+    "title"     : "Clarice window 8",
+},
+
 {
     "#url"     : "https://photos2q.urlgalleries.net/porn-gallery-7851311/clarice-window-8",
     "#category": ("", "urlgalleries", "gallery"),