Still need to include Python3.9 for doc build, as temp fix

Signed-off-by: M Q <[email protected]>

Author: MMelQin

pyproject.toml

@@ -8,7 +8,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.black]
 line-length = 120
-target-version = ['py310', 'py311', 'py312', 'py313']
+target-version = ['py39', 'py310', 'py311', 'py312', 'py313']
 include = '\.pyi?$'
 exclude = '''
 (

setup.cfg

@@ -16,7 +16,7 @@ project_urls =
     Source Code=https://github.com/Project-MONAI/monai-deploy-app-sdk
 
 [options]
-python_requires = >=3.10, <3.14
+python_requires = >=3.9, <3.14
 # for compiling and develop setup only
 # no need to specify the versions so that we could
 # compile for multiple targeted versions.