Bump Version to v0.2.5

[afroch]

Summary

This pull request introduces the following changes

• Bumping version to v0.2.5

Conformity

• [X] Changelog entry
• [X] Documentation

[codecov-commenter]

Codecov Report

Merging #181 (844c15b) into main (c9549ad) will increase coverage by 0.51%. The diff coverage is 98.42%.

@@            Coverage Diff             @@
##             main     #181      +/-   ##
==========================================
+ Coverage   96.73%   97.25%   +0.51%     
==========================================
  Files          32       33       +1     
  Lines        2881     2875       -6     
==========================================
+ Hits         2787     2796       +9     
+ Misses         94       79      -15     

Impacted Files	Coverage Δ
puma/fraction_scan.py	80.00% <80.00%> (ø)
puma/hlplots/tagger.py	97.14% <92.85%> (+2.33%)	:arrow_up:
puma/hlplots/results.py	93.93% <98.14%> (+3.93%)	:arrow_up:
puma/__init__.py	100.00% <100.00%> (ø)
puma/tests/hlplots/test_results.py	99.26% <100.00%> (+0.09%)	:arrow_up:
puma/tests/hlplots/test_tagger.py	100.00% <100.00%> (ø)
puma/tests/test_var_vs_eff.py	100.00% <100.00%> (ø)
puma/var_vs_eff.py	97.33% <100.00%> (+4.20%)	:arrow_up:

... and 2 files with indirect coverage changes

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