upgrade psr/simple-cache to v2

Author: ddrv

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [7.4, 8.0, 8.1]
+        php: [8.0, 8.1]
 
     steps:
       - name: Checkout code

README.md

@@ -13,7 +13,7 @@ Install this package and your favorite [psr-16 implementation](https://packagist
 
 Install this package
 ```bash
-composer require webclient/cache-adapter-psr-simple-cache:^1.0
+composer require webclient/cache-adapter-psr-simple-cache:^2.0
 ```
 
 # Usage

composer.json

@@ -12,9 +12,9 @@
     }
   ],
   "require": {
-    "php": "^7.4 || ^8.0",
+    "php": "^8.0",
     "webclient/cache-contract": "^1.0",
-    "psr/simple-cache": "^1.0"
+    "psr/simple-cache": "^2.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^6.5 || ^7.5 || ^8.5 || ^9.5",