Add support for predis 2.0

Author: Rob Desilets

composer.json

@@ -14,7 +14,7 @@
         "php": "^7.0|^8.0",
         "illuminate/redis": "^5.1|^6.0|^7.0|^8.0|^9.0",
         "illuminate/support": "^5.1|^6.0|^7.0|^8.0|^9.0",
-        "predis/predis": "~1.1"
+        "predis/predis": "~1.1 || ^2.0"
     },
     "autoload": {
         "psr-4": {