fix: transient dependency of okhttp, retrofit and rxjava

[bednar]

Closes #290

Proposed Changes

Fixed transient dependencies versions.

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• mvn test completes successfully
• Commit messages are in semantic format
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #297 (04233e1) into master (62c9a1e) will not change coverage.
The diff coverage is n/a.

❗ Current head 04233e1 differs from pull request most recent head 1ed1144. Consider uploading reports for the commit 1ed1144 to get more accurate results

@@            Coverage Diff            @@
##             master     #297   +/-   ##
=========================================
  Coverage     88.92%   88.92%           
  Complexity      473      473           
=========================================
  Files           149      149           
  Lines          5988     5988           
  Branches        290      290           
=========================================
  Hits           5325     5325           
  Misses          580      580           
  Partials         83       83           

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