chore: proteus add log entries when generating prekeys

[vitorhugods]

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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
  • 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?

Issues

We don't have information abot prekey generation on Proteus.

Solutions

Add log entries for generation of prekeys so we can debug what IDs are being generated and we can understand if there's a rollover (old prekeys being overwritten by new ones with the same IDs).

Testing

N/A

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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

   429 files     429 suites   3m 12s ⏱️
2 346 tests 2 248 ✔️ 98 💤 0 ❌

Results for commit 88866f9.

♻️ This comment has been updated with latest results.

[datadog-wireapp]

Datadog Report

Branch report: chore/proteus/add-log-entries-when-generating-prekeys
Commit report: f628d3d

✅ kalium-ios: 0 Failed, 0 New Flaky, 2131 Passed, 120 Skipped, 8m 59.04s Wall Time

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (release/candidate@5efb3eb). Click here to learn what that means.
The diff coverage is n/a.

@@                 Coverage Diff                  @@
##             release/candidate    #2092   +/-   ##
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  Coverage                     ?   58.07%           
  Complexity                   ?       24           
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  Files                        ?     1004           
  Lines                        ?    37615           
  Branches                     ?     3433           
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  Hits                         ?    21846           
  Misses                       ?    14296           
  Partials                     ?     1473           

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