fix: looking for cryptobox files to migrate at wrong location WPB-4658

[typfel]

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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?

Issues

Proteus Cryptobox migration to Proteus CoreCrypto fails (doesn't happen)

Causes

The path were we are looking for the cryptobox files are wrong (it includes the CC keystore file)

Solutions

Remove keystore suffix on path.

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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

   434 files  ±0     434 suites  ±0   2m 45s ⏱️ -33s
2 357 tests ±0  2 254 ✔️ ±0  103 💤 ±0  0 ❌ ±0 

Results for commit 81e52a3. ± Comparison against base commit 4bbf5a7.

♻️ This comment has been updated with latest results.