ci: lint commit messages (#510)

Lint commit messages using gitlint in pre-commit.
Gitlint enforces rules that are configured by .gitlint.

The checks enforce the [`Conventional Commits`](https://www.conventionalcommits.org)
commit message style.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>

requirements-dev.txt

@@ -1,9 +1,11 @@
 -r requirements.txt
+gitlint==0.19.1
 gitpython==3.1.44
 myst-parser==4.0.1
 sphinx==8.2.3
 sphinx_rtd_theme==3.0.2
 sphinx-tabs==3.4.7
+pymarkdownlnt==0.9.29
 pytest==8.3.5
 pytest-cov==6.0.0
 pytest-xprocess==1.0.2