Tune for COCO

[Flova]

Proposed changes

• tune hyperparams
• scale based on mini batch size
• linear instead of step wise decay
• use sgd
• only log once per optimizer step

Related issues

• #818
• #820

Necessary checks

• [ ] Update poetry package version semantically
• [x] Write documentation
• [x] Create issues for future work
• [x] Test on your machine