fix(ci): cleanup sleeps to instead use retries

[anshbansal]

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[github-actions]

Unit Test Results (build & test)

497 tests  ±0   497 ✔️ ±0   8m 6s ⏱️ - 1m 6s
115 suites ±0       0 💤 ±0 
115 files   ±0       0 ❌ ±0 

Results for commit 23f2b9a. ± Comparison against base commit d20071a.