feat(mls): add delete key-packages api (WPB-1003)

[mchenani]

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

Add a new api(on V5) to delete a batch key-packages.

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PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

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PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[github-actions]

Unit Test Results

   458 files  ±0     458 suites  ±0   2m 18s ⏱️ -22s
2 552 tests ±0  2 448 ✔️ ±0  104 💤 ±0  0 ❌ ±0 

Results for commit 69b4db0. ± Comparison against base commit 49bd46f.

♻️ This comment has been updated with latest results.

[datadog-wireapp]

Datadog Report

All test runs 59e8618 🔗

✅ 2 Total Test Services: 0 Failed, 0 with New Flaky, 2 Passed

Test Services

Service Name	Failed	Known Flaky	New Flaky	Passed	Skipped	Wall Time	Branch View
kalium-ios	0	0	0	1934	42	5m 32.01s	Link
kalium-jvm	0	0	0	2448	104	11m 22.01s	Link

[codecov-commenter]

Codecov Report

Merging #2151 (69b4db0) into develop (49bd46f) will decrease coverage by 0.01%.
The diff coverage is 9.09%.

@@              Coverage Diff              @@
##             develop    #2151      +/-   ##
=============================================
- Coverage      57.82%   57.81%   -0.01%     
  Complexity        21       21              
=============================================
  Files           1059     1059              
  Lines          40156    40166      +10     
  Branches        3720     3720              
=============================================
+ Hits           23221    23223       +2     
- Misses         15327    15335       +8     
  Partials        1608     1608              

Files	Coverage Δ
...api/base/authenticated/keypackage/KeyPackageApi.kt	100.00% <ø> (ø)
...um/network/api/v0/authenticated/KeyPackageApiV0.kt	7.69% <0.00%> (-2.31%)	⬇️
...um/network/api/v5/authenticated/KeyPackageApiV5.kt	55.55% <12.50%> (-19.45%)	⬇️

... and 2 files with indirect coverage changes

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