Update bug report template to include 2.39.1 (#2108)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -94,6 +94,7 @@ body:
       description: We only provide support for current versions of Portainer as per the lifecycle policy linked above. If you are on an older version of Portainer we recommend [updating first](https://docs.portainer.io/start/upgrade) in case your bug has already been fixed.
       multiple: false
       options:
+        - '2.39.1'
         - '2.39.0'
         - '2.38.1'
         - '2.38.0'
@@ -142,7 +143,6 @@ body:
         - '2.21.5'
         - '2.21.4'
         - '2.21.3'
-        - '2.21.2'
     validations:
       required: true