SQLite3Adapter: add missing event name for BEGIN TRANSACTION

It's a transaction management query, and should be tagged as such.

Author: byroot

activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb

@@ -68,7 +68,7 @@ def internal_begin_transaction(mode, isolation)
               raise StandardError, "You need to enable the shared-cache mode in SQLite mode before attempting to change the transaction isolation level" unless shared_cache?
             end
 
-            internal_execute("BEGIN #{mode} TRANSACTION", allow_retry: true, materialize_transactions: false)
+            internal_execute("BEGIN #{mode} TRANSACTION", "TRANSACTION", allow_retry: true, materialize_transactions: false)
             if isolation
               @previous_read_uncommitted = query_value("PRAGMA read_uncommitted")
               internal_execute("PRAGMA read_uncommitted=ON", "TRANSACTION", allow_retry: true, materialize_transactions: false)