Downgrade saml2-lib

Author: tvdijen

composer.json

@@ -36,8 +36,8 @@
     "require": {
         "php": "^8.1",
 
-        "simplesamlphp/saml2": "~5.0.1",
-        "simplesamlphp/simplesamlphp": "`2.4.0",
+        "simplesamlphp/saml2-legacy": "~4.18.1",
+        "simplesamlphp/simplesamlphp": "~2.4.0",
         "symfony/http-foundation": "~6.4.0"
     },
     "require-dev": {