Update dependency pytest to v8.4.0 (#80)

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

Author: renovate[bot]

requirements-dev.txt

@@ -3,7 +3,7 @@
 
 # Dev requirements
 mock==5.2.0
-pytest==8.3.5
+pytest==8.4.0
 pytest-cov==6.1.1
 black==25.1.0
 pre-commit==4.2.0