Add dependencies to unittests.yml pipeline

Merge pull request #102 from SDNNetSim/release/5.5.0

Release/5.5.0 Merging to main

Dynamic RL hyperparams

Add support for fixed grid

Version 5

Update README

Add support for custom envs and RLZoo3 on Unity

Add support for DQN algorithm in the StableBaselines3 library

Version 4

Update Q-Learning Policies and add signal monitors