CVE-2024-40937 gve: Clear napi->skb before dev_kfree_skb_any()

In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi-skb before devkfreeskbany gverxfreeskb incorrectly leaves napi-skb referencing an skb after it is freed with devkfreeskbany. This can result in a subsequent call to napigetfrags returning a dangling pointer. Fix...