Combine the C++ header CI build into the main C build by brettcannon · Pull Request #697 · python/cpython

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

…-697)

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

…706)

This will eliminate one of the builds in Travis, allowing for CI overall to complete faster.
(cherry picked from commit 993d4b3)

https://build.opensuse.org/request/show/1095794
by user mcepl + dimstar_suse
- Update to 0.11.0:
  - Rewrite to new structure and abandoning setuptools
- Update to 0.10.3:
  - refactor: rearrange the project to the src/ layout
    (https://todo.sr.ht/~mcepl/pygn/7)
    - Fix also pyproject.toml to generate what seems right.
    - Add the explicit dependency on nntplib for Python >= 3.12
      (gh#python/cpython!104894).
  - Use email.policy.SMTP to be perfectly conforming with RFCs.
    Perhaps fixes: https://todo.sr.ht/~mcepl/pygn/6
  - Rename README to README.md
  - Switch hosting of the project to Sourcehut.
  - Also add the text of GPLv3.
  - When sending nntp message fails, log the message to temporary
    file.
  - Convert documentation from .maff to plain HTML.
  - Parse email messages from binary files (Fixes #24
    on GitLab (see also gh#python/cpython#697