fix some ansible-lint errors

roles/borgmatic/molecule/default/verify.yml

@@ -11,18 +11,18 @@
     - name: "Include default vars"
       ansible.builtin.include_vars:
         dir: "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/defaults/"
-        extensions: [ 'yml' ]
+        extensions: ['yml']
 
     - name: "Check if Borg is installed"
       changed_when: false
-      register: borg_installed_version
+      register: borgmatic_installed_version
       ansible.builtin.command: "/usr/bin/borg --version"
 
     - name: "Check Borg version"
       ansible.builtin.assert:
-        that: borg_installed_version.stdout.find(borg_version)
-        success_msg: "borg version {{ borg_version }} is installed and working"
-        fail_msg: "borg version {{ borg_version }} is not installed or not working correctly"
+        that: borgmatic_installed_version.stdout.find(borgmatic_version)
+        success_msg: "borg version {{ borgmatic_version }} is installed and working"
+        fail_msg: "borg version {{ borgmatic_version }} is not installed or not working correctly"
 
     - name: "Check if Borgmatic is installed"
       changed_when: false
@@ -31,18 +31,18 @@
         cmd: "/usr/bin/borgmatic --version"
 
     - name: "Check that the test repo was created"
-      register: test_repo_readme
-      failed_when: test_repo_readme.stat.exists is false
+      register: borgmatic_test_repo_readme
+      failed_when: borgmatic_test_repo_readme.stat.exists is false
       ansible.builtin.stat:
         path: "{{ repo_path }}"
 
     - name: "Check that the systemd timer for Borgmatic is up and running"
-      register: timer
+      register: borgmatic_timer
       ansible.builtin.systemd:
         name: borgmatic.timer
 
     - name: "Assert that the timer is running"
       ansible.builtin.assert:
-        that: timer.status.ActiveState == "active"
+        that: borgmatic_timer.status.ActiveState == "active"
         success_msg: "Timer is running"
-        fail_msg: "Unexpected timer state: '{{ timer.status.ActiveState }}'"
+        fail_msg: "Unexpected timer state: '{{ borgmatic_timer.status.ActiveState }}'"