Fix dependency conflict

Author: tvdijen

.github/workflows/php.yml

@@ -116,7 +116,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-versions }}
           extensions: ctype, dom, date, fileinfo, filter, hash, json, mbstring, mysql, openssl, pcre, \
-            pdo, pdo_sqlite, posix, soap, spl, xdebug, xml, zip
+            pdo, pdo_sqlite, posix, soap, sodium, spl, xdebug, xml, zip
           tools: composer
           ini-values: error_reporting=E_ALL
           coverage: none

composer.json

@@ -37,7 +37,7 @@
         "symfony/phpunit-bridge": "^7.3 || ^8.0"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp": "^2.4"
+        "simplesamlphp/simplesamlphp": "^2.5@dev"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-test-framework/issues",