Lumen does not have the now() helper. (laravel#47017)

Fixes 'Call to undefined function Illuminate\Cache\now()'.

Co-authored-by: Slavey Karadzhov <[email protected]>

src/Illuminate/Cache/RedisTagSet.php

@@ -3,6 +3,7 @@
 namespace Illuminate\Cache;
 
 use Illuminate\Support\LazyCollection;
+use Illuminate\Support\Carbon;
 
 class RedisTagSet extends TagSet
 {
@@ -16,7 +17,7 @@ class RedisTagSet extends TagSet
      */
     public function addEntry(string $key, int $ttl = 0, $updateWhen = null)
     {
-        $ttl = $ttl > 0 ? now()->addSeconds($ttl)->getTimestamp() : -1;
+        $ttl = $ttl > 0 ? Carbon::now()->addSeconds($ttl)->getTimestamp() : -1;
 
         foreach ($this->tagIds() as $tagKey) {
             if ($updateWhen) {
@@ -72,7 +73,7 @@ public function flushStaleEntries()
     {
         $this->store->connection()->pipeline(function ($pipe) {
             foreach ($this->tagIds() as $tagKey) {
-                $pipe->zremrangebyscore($this->store->getPrefix().$tagKey, 0, now()->getTimestamp());
+                $pipe->zremrangebyscore($this->store->getPrefix().$tagKey, 0, Carbon::now()->getTimestamp());
             }
         });
     }