Fix typo in Redis::BuildRecord

Author: Doug Edey

ruby/lib/ci/queue/redis/build_record.rb

@@ -91,7 +91,7 @@ def record_stats(stats, pipeline: redis)
           return unless stats
           stats.each do |stat_name, stat_value|
             pipeline.hset(key(stat_name), config.worker_id, stat_value)
-            pipeline.expire(key(stat-name), config.redis_ttl)
+            pipeline.expire(key(stat_name), config.redis_ttl)
           end
         end