feat: add get-issue (#114)

* feat: add get-issue

* optimize code

* fix

* t

* ttt

* revert

* revert

Co-authored-by: 元凛 <xrkffgg@vip.qq.com>

action.yml

@@ -96,7 +96,17 @@ inputs:
 
 outputs:
   issue-number:
-    description: 'Create Issue Number'
+    description: 'Issue Number'
+  issue-title:
+    description: 'Issue Title'
+  issue-body:
+    description: 'Issue Body'
+  issue-labels:
+    description: 'Issue labels'
+  issue-assignees:
+    description: 'Issue assignees'
+  issue-state:
+    description: 'Issue state'
   comment-id:
     description: 'Create comment ID'
   comments: