fix: read Version_packages from config file

Until now, the variable Version_packages was not read from the configuration/build_config.yaml file during container build.

Author: opajonk

builder/build_container.py

@@ -43,6 +43,7 @@ def load_config(self, file: Optional[str]) -> None:
 
         if self.config:
             self.version = self.config.get('Version', 'unknown')
+            self.version_packages = self.config.get('Version_packages', 'unknown')
 
     def _set_builder(self) -> None:
         """ Get the build tool form the environment. """