fix ansible-lint errors

roles/borgmatic/tasks/handle-ssh-keys.yml

@@ -1,7 +1,7 @@
 ---
 - name: "Ensure the path for SSH keys exists"
   ansible.builtin.file:
-    path: "{{ ssh_key_path | dirname }}"
+    path: "{{ borgmatic_sshkey_path | dirname }}"
     state: directory
     owner: root
     group: root
@@ -11,13 +11,13 @@
   register: borgmatic_ssh_key_pair
   community.crypto.openssh_keypair:
     type: ed25519
-    path: "{{ ssh_key_path }}"
+    path: "{{ borgmatic_sshkey_path }}"
     comment: "Generated by Ansible for Borgmatic"
     force: false
     mode: '0600'
 
 - name: "Push the SSH key pair to the Borg repo host"
-  when: push_pubkey
+  when: borgmatic_push_pubkey
   delegate_to: "{{ repo_server_inventory_hostname }}"
   ansible.posix.authorized_key:
     user: "{{ repo_server_user }}"