fix: update pytest plugin entry point name

Rename pytest_runtime_classic to pytest_runtime in pyproject.toml
entry point configuration to match the actual plugin module name.

Author: InertSloth

pyproject.toml

@@ -443,7 +443,8 @@ keep_trailing_newline = false
 [project.entry-points.pytest11]
 pytest_apathetic_logging = "pytest_apathetic_logging"
 pytest_debug = "pytest_debug"
-pytest_runtime_classic = "pytest_runtime_classic"
+pytest_quiet = "pytest_quiet"
+pytest_runtime = "pytest_runtime"
 
 [build-system]
 requires = ["poetry-core>=2.0.0"]