build: allow test build on python 3.9

Author: boromir674

pyproject.toml

@@ -47,9 +47,9 @@ requires-python = ">=3.6, <3.13"
 
 [project.optional-dependencies]
 test = [
-    "pytest>=9.0.0,<10.0.0 ; python_full_version >= '3.10' and python_full_version < '3.13'",
-    "pytest-asyncio>=1.3.0,<2.0.0 ; python_full_version >= '3.10' and python_full_version < '3.13'",
-    "pytest-cov>=7.0.0,<8.0.0 ; python_full_version >= '3.10' and python_full_version < '3.13'",
+    "pytest>=8.0.0,<10.0.0 ; python_full_version >= '3.9' and python_full_version < '3.13'",
+    "pytest-asyncio>=1.2.0,<2.0.0 ; python_full_version >= '3.9' and python_full_version < '3.13'",
+    "pytest-cov>=7.0.0,<8.0.0 ; python_full_version >= '3.9' and python_full_version < '3.13'",
 ]
 docs = [
     "beautifulsoup4>=4.8.2,<4.9.0 ; python_full_version >= '3.7' and python_full_version < '3.13'",