Reverts hashHashtableTypeValidate signature (#2799)

Fixes
https://github.com/valkey-io/valkey/actions/runs/19053371057/job/54418411647#step:6:202

Matched hashHashtableTypeValidate to the [generic hashtable callback
signature
](https://github.com/valkey-io/valkey/blob/unstable/src/hashtable.h#L62)and
performed the entry cast internally to preserve expiry checks.

---------

Signed-off-by: Sarthak Aggarwal <[email protected]>
Signed-off-by: Ran Shidlansik <[email protected]>
Co-authored-by: Ran Shidlansik <[email protected]>
Co-authored-by: Jim Brunner <[email protected]>

Author: 3 people

src/t_hash.c

@@ -146,8 +146,10 @@ static void hashTypeTrackUpdateEntry(robj *o, entry *old_entry, entry *new_entry
     }
 }
 
-bool hashHashtableTypeValidate(hashtable *ht, entry *entry) {
+// This is a hashtableType validateEntry callback
+bool hashHashtableTypeValidate(hashtable *ht, void *entryptr) {
     UNUSED(ht);
+    entry *entry = entryptr;
     expirationPolicy policy = getExpirationPolicyWithFlags(0);
     if (policy == POLICY_IGNORE_EXPIRE) return true;