bump greenlet version

Author: ptiurin

setup.cfg

@@ -15,7 +15,6 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
@@ -29,7 +28,7 @@ packages = find:
 install_requires =
     firebolt-sdk>=1.13.0
     sqlalchemy>=1.0.0
-python_requires = >=3.8
+python_requires = >=3.9
 package_dir =
     = src
 
@@ -45,7 +44,7 @@ sqlalchemy.dialects =
 dev =
     allure-pytest==2.*
     devtools==0.7.0
-    greenlet==2.0.2
+    greenlet==3.2.4
     mock==4.0.3
     mypy==0.910
     pre-commit==3.5.0