Merge pull request #17 from simplesamlphp/dependabot/composer/simples…

…amlphp/simplesamlphp-test-framework-approx-1.6.0

Update simplesamlphp/simplesamlphp-test-framework requirement from ~1.5.5 to ~1.6.0

composer.json

@@ -40,7 +40,7 @@
         "symfony/http-foundation": "^6.0"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "~1.5.5"
+        "simplesamlphp/simplesamlphp-test-framework": "~1.6.0"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-module-discopower/issues",