enhancement: added v2 to the bug issue version select

Author: leonsteinhaeuser

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -40,6 +40,7 @@ body:
         - v1.2.0
         - v1.2.1
         - v1.3.0
+        - v2.0.0
     validations:
       required: true
   - type: dropdown
@@ -75,4 +76,4 @@ body:
     id: additional-context
     attributes:
       label: "Additional context:"
-      description: Add any other context about the problem here.
+      description: Add any other context about the problem here.