chore: bump srvaroa/labeler to v1.6.3

[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

srvaroa/labeler action fails

Causes

Some docker error

Solutions

Our version is very old, lets update it.

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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

   455 files  ±0     455 suites  ±0   4m 4s ⏱️ + 1m 37s
2 532 tests ±0  2 430 ✔️ ±0  102 💤 ±0  0 ❌ ±0 

Results for commit 4f08f09. ± Comparison against base commit 6ce6fad.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

Merging #2136 (4f08f09) into develop (6ce6fad) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #2136      +/-   ##
=============================================
- Coverage      57.65%   57.64%   -0.01%     
  Complexity        24       24              
=============================================
  Files           1052     1052              
  Lines          39960    39960              
  Branches        3725     3725              
=============================================
- Hits           23037    23036       -1     
- Misses         15335    15336       +1     
  Partials        1588     1588              

see 1 file with indirect coverage changes

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[datadog-wireapp]

Datadog Report

Branch report: fix/labeler-action-failing
Commit report: 6f96738

✅ kalium-jvm: 0 Failed, 0 New Flaky, 2430 Passed, 102 Skipped, 15m 55.01s Wall Time