fix: rewrite and improve caching (#3594)

caches/NullCache.php

@@ -4,28 +4,24 @@ declare(strict_types=1);
 
 class NullCache implements CacheInterface
 {
-    public function setScope(string $scope): void
+    public function get(string $key, $default = null)
+    {
+        return $default;
+    }
+
+    public function set(string $key, $value, int $ttl = null): void
     {
     }
 
-    public function setKey(array $key): void
+    public function delete(string $key): void
     {
     }
 
-    public function loadData(int $timeout = 86400)
+    public function clear(): void
     {
     }
 
-    public function saveData($data): void
-    {
-    }
-
-    public function getTime(): ?int
-    {
-        return null;
-    }
-
-    public function purgeCache(int $timeout = 86400): void
+    public function prune(): void
     {
     }
 }