v0.2.2

This release matches the polaris-scheduler version that was used for the experiments for the following paper:

T. Pusztai, S. Nastic, A. Morichetta, V. Casamayor Pujol, P. Raith, S. Dustdar, D. Vij, Y. Xiong, and Z. Zhang 
"Polaris Scheduler: SLO- and Topology-aware Microservices Scheduling at the Edge", 
15th IEEE/ACM International Conference on Utility and Cloud Computing (UCC2022), Dec 2022.