fix(github): try to fix errors with the issue form

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -17,6 +17,7 @@ body:
       required: true
   - type: input
     id: hugo-version
+    attributes:
       label: Hugo version
       description: "What is the version of Hugo you are using? (Note: this theme does not support non-extended version of Hugo)"
       placeholder: ex. 0.100.0
@@ -24,6 +25,7 @@ body:
       required: true
   - type: input
     id: theme-version
+    attributes:
       label: Theme version
       description: "What is the version of Stack theme you are using?"
       placeholder: ex. 3.12.0
@@ -52,6 +54,7 @@ body:
         Or link to a minimal reproduction of the problem if there are sensible data.
   - type: input
     id: bug-url
+    attributes:
       label: Link to the page with bug
       placeholder: https://demo.stack.jimmycai.com
       value: https://demo.stack.jimmycai.com
@@ -59,5 +62,6 @@ body:
       required: true
   - type: input
     id: source-repo
+    attributes:
       label: Link to the source repository
       placeholder: https://github.com/CaiJimmy/hugo-theme-stack