CardsV1 is deprecated we must use cardsV2 instead.

Based on google developers api documentation.
https://developers.google.com/chat/api/reference/rest/v1/cards-v1 
CardsV1 is deprecated we must use cardsV2 instead.

src/Symfony/Component/Notifier/Bridge/GoogleChat/GoogleChatOptions.php

@@ -62,7 +62,7 @@ public function toArray(): array
     }
 
     /**
-     * @return $this
+     * @deprecated google chat cards-v1 deprecated, use "cardV2()" instead.
      */
     public function card(array $card): static
     {
@@ -71,19 +71,20 @@ public function card(array $card): static
         return $this;
     }
 
-    /**
-     * @return $this
-     */
+    public function cardV2(array $card): static
+    {
+        $this->options['cardsV2'][] = $card;
+
+        return $this;
+    }
+
     public function text(string $text): static
     {
         $this->options['text'] = $text;
 
         return $this;
     }
 
-    /**
-     * @return $this
-     */
     public function setThreadKey(?string $threadKey): static
     {
         $this->threadKey = $threadKey;