fix ansible-lint errors

roles/rustdesk/tasks/check-rustdesk-version.yml

@@ -1,25 +1,25 @@
 ---
 
 - name: "Check hbbr version"
-  register: hbbr_output
+  register: rustdesk_hbbr_output
   changed_when: false
   ansible.builtin.command:
     cmd: "/opt/rustdesk-server/amd64/hbbr --version"
 
 - name: "Check if the version of hbbr is the expected one"
   ansible.builtin.assert:
-    that: "hbbr_output.stdout == 'hbbr {{ rustdesk_server_version }}'"
+    that: "rustdesk_hbbr_output.stdout == 'hbbr {{ rustdesk_server_version }}'"
     success_msg: "hbbr is installed and is the correct version"
     fail_msg: "hbbr is either not installed or does not match the target version"
 
 - name: "Check hbbs version"
-  register: hbbs_output
+  register: rustdesk_hbbs_output
   changed_when: false
   ansible.builtin.command:
     cmd: "/opt/rustdesk-server/amd64/hbbs --version"
 
 - name: "Check if the version of hbbs is the expected one"
   ansible.builtin.assert:
-    that: "hbbs_output.stdout == 'hbbs {{ rustdesk_server_version }}'"
+    that: "rustdesk_hbbs_output.stdout == 'hbbs {{ rustdesk_server_version }}'"
     success_msg: "hbbs is installed and is the correct version"
     fail_msg: "hbbs is either not installed or does not match the target version"