[SWDEV-469278] Lowered PyYAML post install script dependency

Signed-off-by: Justin Williams <Justin.Williams@amd.com>
Change-Id: I764c8bf01e6cb6acb0b3fc1db396707099e5ed12

py-interface/setup.cfg.in

@@ -18,7 +18,7 @@ include_package_data = True
 packages = find:
 python_requires = >=3.6
 install_requires=
-   PyYAML >= 5.0
+   PyYAML >= 3.12
 
 [options.package_data]
 * = *.so