(chore): use Bigint vs Varint

Core/Hashtags/Trending/Repository.php

@@ -3,7 +3,7 @@
 namespace Minds\Core\Hashtags\Trending;
 
 use Cassandra\Timestamp;
-use Cassandra\Varint;
+use Cassandra\Bigint;
 use Minds\Core\Data\Cassandra\Client as CassandraClient;
 use Minds\Core\Data\Cassandra\Prepared\Custom;
 use Minds\Core\Data\ElasticSearch\Client as ElasticSearchClient;
@@ -155,7 +155,7 @@ class Repository
  $values = [
  $tag,
  new Timestamp(time()),
- new Varint($admin_guid),
+ new Bigint($admin_guid),
  ];
 
  $prepared = new Custom();

Core/Provisioner/Provisioners/cassandra-provision.cql

@@ -1410,7 +1410,7 @@ CREATE TABLE minds.update_markers (
 
 CREATE TABLE minds.hidden_hashtags (
  hashtag text,
- admin_guid varint,
+ admin_guid bigint,
  hidden_since timestamp,
  PRIMARY KEY (hashtag)
 );