Update xmlseclibs

Author: tvdijen

composer.json

@@ -15,7 +15,7 @@
         "ext-zlib": "*",
 
         "psr/log": "~1.1",
-        "robrichards/xmlseclibs": "^3.0.4",
+        "robrichards/xmlseclibs": "^3.1.0",
         "webmozart/assert": "^1.5"
     },
     "require-dev": {