Update dependency pytest to v8.3.4

Author: renovate[bot]

requirements.txt

@@ -17,7 +17,7 @@ pycodestyle==2.12.1
 pyflakes==3.2.0
 pylint==3.3.1
 pyright==1.1.389
-pytest==8.3.3
+pytest==8.3.4
 pytest-cov==6.0.0
 tomli==2.2.1
 tomlkit==0.13.2