RA: Increase memory and CPU request/limits for Unicorn & Sidekiq

What does this MR do?

This increases the CPU and memory request/limits by 1.05 for Unicorn and Sidekiq, accordingly to the p99 charts in https://console.cloud.google.com/monitoring/dashboards/custom/6798952013815386466?authuser=0&project=gitlab-review-apps&timeDomain=1w.

Does this MR meet the acceptance criteria?

Conformity

• Code review guidelines
• Merge request performance guidelines
• Style guides
• Separation of EE specific content