Fix: Updated Modify security issue template

- Updated the placeholder text to: "Please paste the GitHub Advisory URL here. Only the URL is required."
- Adjusted the label for the GitHub Advisory URL field to clearly indicate the intended recipient (@louislam).
- Improved the language to enhance clarity and remove ambiguity in the instructions.

modified: .github/ISSUE_TEMPLATE/security_issue.yml

.github/ISSUE_TEMPLATE/security_issue.yml

@@ -32,14 +32,14 @@ body:
 
         ## **Step 2: Share the Advisory URL**
 
-        Once you've created your advisory, please share the URL below. This will notify @louislam and enable them to take the appropriate action.
+        Once you've created your advisory, please share the URL below. This will notify Louis Lam and enable them to take the appropriate action.
 
   - type: "textarea"
     id: github-advisory-url
     validations:
       required: true
     attributes:
-      label: "GitHub Advisory URL"
+      label: "GitHub Advisory URL for @louislam"
       placeholder: |
-        Paste the GitHub Advisory URL here.
+        Please paste the GitHub Advisory URL here. Only the URL is required.
         Example: https://github.com/louislam/uptime-kuma/security/advisories/GHSA-8h5r-7t6l-q3kz