fix linting in validate_config.yml

roles/custom/matrix-bot-chatgpt/tasks/validate_config.yml

@@ -6,8 +6,8 @@
       You need to define a required configuration setting (`{{ item.name }}`).
   when: "item.when | bool and vars[item.name] == ''"
   with_items:
-    - { 'name': 'matrix_bot_chatgpt_openai_api_key', when: true }
-    - { 'name': 'matrix_bot_chatgpt_matrix_bot_username', when: true }
+    - {'name': 'matrix_bot_chatgpt_openai_api_key', when: true}
+    - {'name': 'matrix_bot_chatgpt_matrix_bot_username', when: true}
 
 
 - name: Fail if OpenAI configuration not up-to-date.
@@ -17,6 +17,6 @@
       Please change your configuration to remove the variable (`{{ item.name }}`).
   when: "item.name in vars"
   with_items:
-    - { 'name': 'matrix_bot_chatgpt_openai_email' }
-    - { 'name': 'matrix_bot_chatgpt_openai_password' }
-    - { 'name': 'matrix_bot_chatgpt_openai_login_type' }
+    - {'name': 'matrix_bot_chatgpt_openai_email'}
+    - {'name': 'matrix_bot_chatgpt_openai_password'}
+    - {'name': 'matrix_bot_chatgpt_openai_login_type'}