Release 0.2.15

[aniketmaurya]

What does this PR do?

Bump version for release 0.2.15

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85%. Comparing base (0e028b5) to head (7f7ea7f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #593   +/-   ##
===================================
  Coverage    85%    85%           
===================================
  Files        39     39           
  Lines      3069   3069           
===================================
  Hits       2607   2607           
  Misses      462    462           

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