fix(deps): update dependency pytest to v9

Author: renovate[bot]

pyproject.toml

@@ -50,7 +50,7 @@ flask = [
 dev = [
     # pytest 9 requires Python >=3.10; pytest 9.0.3 fixes CVE-2025-71176
     "pytest >=9.0.3; python_version >= '3.10'",
-    "pytest >=7.4.0,<9; python_version < '3.10'",
+    "pytest >=9.0.3,<10; python_version < '3.10'",
     "pytest-cov >=4.1.0",
     "pytest-django >=4.5.2",
     "mypy >=1.5.0",

requirements.txt

@@ -24,7 +24,7 @@ pydantic>=2.0.0,<3.0.0
 # pytest 9 requires Python >=3.10; keep <9 for Python 3.9 (pytest 9 dropped 3.9 support)
 # CVE-2025-71176 is fixed in 9.0.3 (only available for Python >=3.10)
 pytest>=9.0.3; python_version >= "3.10"
-pytest>=7.4.0,<9; python_version < "3.10"
+pytest>=9.0.3,<10; python_version < "3.10"
 pytest-django>=4.5.2
 pytest-asyncio>=0.21.1
 pytest-cov>=7.0.0