Add missing tags to vostok playbook

Signed-off-by: Florian Pritz <bluewind@xinu.at>

playbooks/vostok.yml

@@ -5,7 +5,7 @@
   remote_user: root
   roles:
     - { role: common, tags: ['common'] }
-    - tools
-    - sshd
+    - { role: tools, tags: ['tools'] }
+    - { role: sshd, tags: ['sshd'] }
     - { role: root_ssh, tags: ['root_ssh'] }
     - { role: borg-server, backup_dir: "/backup", backup_clients: "{{groups['borg-clients']}}", tags: ["borg"] }