Update dependency pytest to v9

renovate[bot] · web-flow · commit a6c56f46a448 · 2026-04-07T21:47:43.000Z
diff --git a/setup.py b/setup.py
@@ -17,7 +17,7 @@
     install_requires=['pyserial'],
     extras_require={
         'test': [
-            'pytest>=6,<8',
+            'pytest>=9,<10',
             'pytest-cov>=5,<6',
             'pytest-asyncio==0.*',
             'pytest-xdist==3.*',
