Update bug_report.yml

Author: alvarosabu

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -17,7 +17,9 @@ body:
       description: What version of the library are you using?
       options:
         - 3.x.x (Vue 3.x)
-        - 2 (Vue 2.x - legacy)
+        - 2.x.x (Vue 2.x - legacy)
+    validations:
+      required: true
   - type: textarea
     id: bug-description
     attributes:
@@ -64,4 +66,4 @@ body:
         - label: Read the [docs](https://vue-dynamic-forms-docs.netlify.app/).
           required: true
         - label: Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
-          required: true
+          required: true