Update dependency pytest to v8.1.1 (#252)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -33,7 +33,7 @@ sphinx = [
 black = "24.2.0"
 pycodestyle = "2.11.1"
 mypy =  "1.9.0"
-pytest = "8.0.2"
+pytest = "8.1.1"
 pytest-cov = "4.1.0"
 sphinxcontrib-autoprogram = "0.1.8"
 types-docutils = "0.20.0.20240309"