bundles/apt: fix metadata key mess (unattended-upgrades vs unattended_upgrades)

groups/locations.py

@@ -110,6 +110,13 @@ groups['voc'] = {
         r"voc\..*",
     },
     'metadata': {
+        'apt': {
+            # Move patchday to somewhere where the possibility of
+            # clashing with actual events is less likely.
+            'unattended-upgrades': {
+                'day': 1,
+            },
+        },
         'location': 'voc',
     },
 }

groups/os.py

@@ -34,7 +34,7 @@ groups['linux'] = {
     'metadata': {
         'apt': {
             'unattended-upgrades': {
-                'mail': libs.defaults.hostmaster_email,
+                'reboot_mail_to': libs.defaults.hostmaster_email,
             },
         },
         'backup-client': {