fix: revert symfony version bump, add doctrine/cache dependency

Author: joostfaassen

composer.json

@@ -13,16 +13,16 @@
   ],
   "require": {
     "php": "^7.2",
-    "ext-pdo": "*",
-    "symfony/options-resolver": "^5.0",
-    "symfony/dependency-injection": "^5.0",
-    "webonyx/graphql-php": "^14.4.0",
-    "linkorb/connector": "^1.0",
-    "firebase/php-jwt": "^5.0",
+    "symfony/options-resolver": "~3.0",
+    "symfony/dependency-injection": "~3.3",
+    "webonyx/graphql-php": "^0.13.8",
+    "linkorb/connector": "~1.0",
+    "firebase/php-jwt": "~5.0",
     "pwa/time-elapsed": "^1.0",
-    "symfony/security-core": "^5.0",
-    "symfony/http-foundation": "^5.0",
-    "symfony/cache": "^5.2"
+    "symfony/security-core": "^4.2",
+    "symfony/http-foundation": "^4.2",
+    "ext-pdo": "*",
+    "doctrine/cache": "^1.10"
   },
   "autoload": {
     "psr-4": {