setup.cfg: Set python_requires value to 3.12

Signed-off-by: the Mulhern <amulhern@amulhern.bos.csb>

Author: the Mulhern

.github/workflows/main.yml

@@ -26,7 +26,6 @@ jobs:
         include:
           # MANDATORY CHECKS USING CURRENT DEVELOPMENT INTERPRETER
           - dependencies: >
-              libatomic
               pylint
               python3-dbus
               python3-dbus-python-client-gen

setup.cfg

@@ -5,3 +5,6 @@ version = 3.8.1
 long_description = file: README.md
 long_description_content_type = text/markdown
 license = Apache-2.0
+
+[options]
+python_requires = >=3.12