GHI-229 - Sidekiq service memory usage limits

[mithat-skyvera]

Description of your patch

Declared MemorySwapMax and MemoryHigh limit for the sidekiq service. Added environment variable "EY_SIDEKIQ_WORKER_THRESHOLD_MEMORY_MB" for MemoryHigh limit of the sidekiq service. It is by default 80% of the MemoryMax. Related issue #229

Recommended Release Notes

Environment variable for threshold memory limit of sidekiq service.

Estimated Risk

Low ( After these changes are applied all sidekiq workers will have these limits applied)

Components involved

All clients who use sidekiq in their application

Dependencies

ey-sidekiq

Description of testing done

Create a v7 rails environment with sidekiq
Add environment variables to enable sidekiq in the environment
Run command "systemctl status [sidekiq worker name]" on the instance that sidekiq is running.
Look at the memory row in the output, Max, SwapMax and High limits should be declared.