Update xmlseclibs dependency

Signed-off-by: Jaime Pérez Crespo <jaime.perez@uninett.no>

Author: jaimeperez

composer.json

@@ -15,7 +15,7 @@
         "ext-zlib": "*",
 
         "psr/log": "~1.0",
-        "robrichards/xmlseclibs": "^3.0",
+        "robrichards/xmlseclibs": "^3.0.4",
         "webmozart/assert": "^1.4"
     },
     "require-dev": {