v1.4.5

• file sink: adopt lhc period from AliECS for EOS metadata
• tfbuilder: on stop, push all TFs, then End-of-Stream
• tfbuilder: fix delay during terminating
• tfbuilder: improve ucx throughput for small stfs (optional)
• monitoring: consolidate and remove unused metrics
• end of stream: add current time in DataProcessingHeader
• monitoring: don’t publish size in rate metric if no datapoints in interval