Lower flysystem dependency

.gitignore

@@ -5,4 +5,5 @@ vendor/
 tmp/
 .vs/
 .vscode/
-coverage/
+coverage/
+.phpunit*

composer.json

@@ -1,30 +1,35 @@
 {
-    "name": "iqparts/content",
-    "description": "Small wrapper around League/Flysystem with an added AssetResolver for resolving files as responses.",
-    "type": "library",
-    "license": "MIT",
-    "authors": [
-        {
-            "name": "Mèir Noordermeer",
-            "email": "meirnoordermeer@me.com"
-        }
-    ],
-    "require": {
-        "league/flysystem": "^1.0",
-        "psr/http-message": "^1.0",
-        "guzzlehttp/psr7": "^1.4"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "^7.0"
-    },
-    "autoload": {
-        "psr-4": {
-            "IQParts\\Content\\": ["src"]
-        }
-    },
-    "autoload-dev": {
-        "psr-4": {
-            "IQParts\\ContentTest\\": ["test"]
-        }
+  "name": "iqparts/content",
+  "description": "Small wrapper around League/Flysystem with an added AssetResolver for resolving files as responses.",
+  "type": "library",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Mèir Noordermeer",
+      "email": "meirnoordermeer@me.com"
     }
+  ],
+  "require": {
+    "php": "^8.0",
+    "league/flysystem": "^1.0",
+    "psr/http-message": "^1.0",
+    "guzzlehttp/psr7": "^1.4"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^9.5"
+  },
+  "autoload": {
+    "psr-4": {
+      "IQParts\\Content\\": [
+        "src"
+      ]
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "IQParts\\ContentTest\\": [
+        "test"
+      ]
+    }
+  }
 }