chore: modify test action

[skip ci]

.github/actions/notify/action.yaml

@@ -9,21 +9,17 @@ inputs:
   title:
     description: "The title of the notification."
     required: true
-    default: 'no title provided'
 
   subtitle:
     description: "The subtitle of the notification."
-    required: true
     default: 'no subtitle provided'
 
   image_slug:
     description: "The slug of the image to be included in the notification."
-    required: false
     default: 'git'
 
   event_author:
     description: "The author of the event."
-    required: true
     default: 'unknown'
 
   event_title:
@@ -32,22 +28,18 @@ inputs:
 
   event_body:
     description: "The body of the event."
-    required: true
     default: 'no body provided'
 
   event_number:
     description: "The number of the event."
-    required: true
     default: 'no number provided'
 
   event_url:
     description: "The url of the event."
-    required: true
     default: 'none'
 
   status:
     description: "The status of the event."
-    required: true
     default: 'UNKNOWN'
 
 runs: