chore(deps-dev): update pytest requirement from <8,>=6.0.0 to >=6.0.0,<9 (#117)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -62,7 +62,7 @@ dev = [
     "mypy>=0.982,<2",
     "pre-commit>=2.0.0,<4",
     "pyright>=1.0.0,<2",
-    "pytest>=6.0.0,<8",
+    "pytest>=6.0.0,<9",
     "slotscheck>=0.1.0,<1",
     "taskipy>=1.0.0,<2",
     "tox>=3.0.0,<5",