Updating os2web_simplesaml to D10 compatible version

Author: stankut

composer.json

@@ -71,7 +71,7 @@
         "os2web/os2web_audit": "^0.1.6",
         "os2web/os2web_datalookup": "^2.0",
         "os2web/os2web_nemlogin": "^1.0",
-        "os2web/os2web_simplesaml": "8.x-dev",
+        "os2web/os2web_simplesaml": "dev-master",
         "php-http/guzzle7-adapter": "^1.0",
         "phpoffice/phpword": "^0.18.2",
         "symfony/options-resolver": "^5.4 || ^6.0",