release v2.7.8

[andersonhc]

e.g. Fixes #0

Checklist:

• The GitHub pipeline is OK (green),
  meaning that both pylint (static code analyzer) and black (code formatter) are happy with the changes of this PR.

• A unit test is covering the code added / modified by this PR

• This PR is ready to be merged

• In case of a new feature, docstrings have been added, with also some documentation in the docs/ folder

• A mention of the change is present in CHANGELOG.md

By submitting this pull request, I confirm that my contribution is made under the terms of the GNU LGPL 3.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f03b3b1) 93.41% compared to head (4daf58f) 93.41%.

❗ Current head 4daf58f differs from pull request most recent head 3b4b6f8. Consider uploading reports for the commit 3b4b6f8 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1110   +/-   ##
=======================================
  Coverage   93.41%   93.41%           
=======================================
  Files          30       30           
  Lines        9117     9117           
  Branches     2070     2070           
=======================================
  Hits         8517     8517           
  Misses        371      371           
  Partials      229      229           

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[Lucas-C]

Thank you for the release @andersonhc!

I'm glad that the new publishing pipeline using pypa/gh-action-pypi-publish worked well:
https://github.com/py-pdf/fpdf2/actions/runs/7852620791/job/21431270111