Packaging 6.15.0

[jslee02]

Remove this line and describe this pull request. Link to relevant GitHub issues, if any.

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Before creating a pull request

• Document new methods and classes
• Format new code files using ClangFormat by running make format
• Build with -DDART_TREAT_WARNINGS_AS_ERRORS=ON and resolve all the compile warnings

Before merging a pull request

• Set version target by selecting a milestone on the right side
• Summarize this change in CHANGELOG.md
• Add unit test(s) for this change
• Add Python bindings for new methods and classes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.55%. Comparing base (bc086af) to head (949f1e2).
Report is 1 commits behind head on release-6.15.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-6.15    #1878   +/-   ##
=============================================
  Coverage         61.55%   61.55%           
=============================================
  Files               490      490           
  Lines             46013    46013           
=============================================
  Hits              28322    28322           
  Misses            17691    17691