Merge pull request #84 from cirrusidentity/feature/dependency-cache-version

Support more versions of psr/cache and symfony/cache

composer.json

@@ -15,8 +15,8 @@
     "simplesamlphp/simplesamlphp": "^v2.0.0",
     "firebase/php-jwt": "^5.5|^6",
     "kevinrob/guzzle-cache-middleware": "^4.1.1",
-    "psr/cache": "^1.0",
-    "symfony/cache": "^5.0|^4.3|^3.4",
+    "psr/cache": "^1.0|^2.0|^3.0",
+    "symfony/cache": "^6.0|^5.0|^4.3|^3.4",
     "ext-json": "*"
   },
   "require-dev": {