bundles/apt: symlink /usr/bin/python to python3

bundles/apt/items.py

@@ -152,6 +152,15 @@ pkg_apt = {
     },
 }
 
+if node.os_version[0] >= 11:
+    symlinks = {
+        '/usr/bin/python': {
+            'target': '/usr/bin/python3',
+            'needs': {
+                'pkg_apt:python3',
+            },
+        },
+    }
 
 for name, data in node.metadata.get('apt/repos', {}).items():
     files['/etc/apt/sources.list.d/{}.list'.format(name)] = {