v2.13.1
Use exported streamz in benchmark and add environment variable for specifying streamz to use as metrics
Internal change
Drop TF addons dependency from vision legacy folder. Copy Lookahead optimizer from TF addons to model garden.
Restricting the PyYAML version to <5.4.0 to avoid breakage in TF models official pip package
Add YOLOv7 implementation.
Remove TF addons dependency from OSS Model Garden.