Merge pull request #51 from talisman-innovations/master

Add support for SF6

Author: florianv

composer.json

@@ -17,13 +17,13 @@
     },
     "require": {
         "php": "^7.1.3|^8.0",
-        "symfony/framework-bundle": "~3.0|~4.0|~5.0",
+        "symfony/framework-bundle": "~3.0|~4.0|~5.0|~6.0",
         "florianv/swap": "^4.0"
     },
     "require-dev": {
         "php-http/guzzle6-adapter": "^1.0",
         "php-http/message": "^1.7",
-        "symfony/cache": "~3.0|~4.0|~5.0",
+        "symfony/cache": "~3.0|~4.0|~5.0|~6.0",
         "phpunit/phpunit": "~5.7|~6.0|~7.0|~8.0|~9.0",
         "nyholm/psr7": "^1.1"
     },