chore: Create Deleted DatasetVersion "Clean up" Job

[lvreynoso]

Reason for Change

• Create Deleted DatasetVersion "Clean up" Job #7286
• If the reason for this PR's code changes are not clear in the issue, state value/impact

Changes

• add
• remove
• modify

Testing steps

• Either list QA steps or reasoning you feel QA is unnecessary
• Describe how you made sure to know that your changes worked. Should allow someone else to go verify your code without in depth knowledge.
• "Unit tested only", "tested in rdev by a, b, c, verifying feature worked by... ", "manually ran pipeline locally with these results: ..."

Checklist 🛎️

• Add product, design, and eng as reviewers for rdev review
• For UI changes, add screenshots/videos, so the reviewers know what you expect them to see
• For UI changes, add e2e tests to prevent regressions
• For UI changes, verify impacted analytics events still work

Notes for Reviewer

[github-actions]

Deployment Summary

• backend_url: https://pr-7315-backend.rdev.single-cell.czi.technology
• backend_de_url: https://pr-7315-backend-de.rdev.single-cell.czi.technology
• backend_wmg_url: https://pr-7315-backend-wmg.rdev.single-cell.czi.technology
• frontend_url: https://pr-7315-frontend.rdev.single-cell.czi.technology
• delete_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-7315-deletion:1
• migrate_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-7315-migration:1

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 11 lines in your changes missing coverage. Please review.

Project coverage is 92.87%. Comparing base (0442ec7) to head (c84aa4c).

Files with missing lines	Patch %	Lines
backend/layers/thirdparty/lambda_provider.py	52.38%	10 Missing ⚠️
backend/layers/processing/process.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7315      +/-   ##
==========================================
- Coverage   92.93%   92.87%   -0.06%     
==========================================
  Files         194      195       +1     
  Lines       16818    16847      +29     
==========================================
+ Hits        15629    15647      +18     
- Misses       1189     1200      +11     

Flag	Coverage Δ
unittests	92.87% <66.66%> (-0.06%)	⬇️

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