chore: upgrade cubicweb to 4.6.3 minimum

Version 4.6.3 includes some fixes when fetching Files with download_url

cubicweb_rodolf/__pkginfo__.py

@@ -13,7 +13,7 @@
 web = "https://forge.extranet.logilab.fr/cubicweb/cubes/rodolf"
 
 __depends__ = {
-    "cubicweb[postgresql]": ">= 4.5.2,< 5.0.0",
+    "cubicweb[postgresql]": ">= 4.6.3,< 5.0.0",
     "cubicweb-api": ">= 0.13.0,< 0.14.0",
     "cubicweb-file": ">= 4.1.0, < 5.0.0",
     "cubicweb-rq": None,