Update dependencies

Author: tvdijen

composer.json

@@ -37,15 +37,15 @@
         "php": "^8.1",
         "ext-pdo": "*",
 
-        "simplesamlphp/assert": "^1.1",
-        "simplesamlphp/composer-module-installer": "^1.3.4",
-        "simplesamlphp/saml2": "^5@dev",
+        "simplesamlphp/assert": "^1.8",
+        "simplesamlphp/composer-module-installer": "^1.4",
+        "simplesamlphp/saml2": "^5.0",
 
         "simplesamlphp/simplesamlphp": "^2.1",
         "symfony/http-foundation": "^6.4"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "^1.7"
+        "simplesamlphp/simplesamlphp-test-framework": "^1.9"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-module-consent/issues",