(temp): Forcing protobuf version to be ~=3.19 (#24)

Author: RobPasMue

setup.py

@@ -35,7 +35,7 @@
         url=f"https://github.com/ansys/{package_name}",
         license="MIT",
         python_requires=">=3.7",
-        install_requires=["grpcio~=1.47", "protobuf~=3.20"],
+        install_requires=["grpcio~=1.47", "protobuf~=3.19"],
         packages=setuptools.find_namespace_packages(".", include=("ansys.*",)),
         package_data={
             "": ["*.proto", "*.pyi", "py.typed", "VERSION"],