Allow symfony/yaml 3.4 (#52) for some reason

Author: HoussemTN

composer.json

@@ -7,7 +7,7 @@
         "ext-bcmath": "*",
         "ext-mbstring": "*",
         "pear/ole": "^1.0",
-        "symfony/yaml": "^4.1||^5.0||^6.0||^7.0",
+        "symfony/yaml": "^3.4||^4.1||^5.0||^6.0||^7.0",
         "ramsey/uuid": "^3.8||^4.0",
         "psr/log": "^1.0||^2.0||^3.0"
     },