fix(issue-template): adjust bug-template python version (#2812)

.github/ISSUE_TEMPLATE/bug-report.yaml

@@ -93,18 +93,17 @@ body:
     validations:
       required: true
 
-  - type: checkboxes
+  - type: dropdown
     id: python-version
     attributes:
-      label: Python Version
+      label: "Python Version"
       description: |
-        My Python version is:
-        
-        Langflow requires Python version 3.10 or greater.
+
+        **Langflow requires Python version 3.10 or greater.**
       options:
-        - label: "3.12"
-        - label: "3.11"
-        - label: "3.10"
+        - "3.12"
+        - "3.11"
+        - "3.10"
 
   - type: markdown
     attributes: