Bump xmlseclibs: CVE-2026-32313

Author: tvdijen

composer.json

@@ -15,7 +15,7 @@
         "ext-zlib": "*",
 
         "psr/log": "^2.0 || ^3.0",
-        "robrichards/xmlseclibs": "^3.1.4",
+        "robrichards/xmlseclibs": "^3.1.5",
         "simplesamlphp/xml-common": "^2.7",
         "webmozart/assert": "^2.0"
     },