gh: Fix bug issue creation

Bug issue creation has been modified in Jira to use a custom
field for bug issues.  Updating the creation issue script
to use this new custom field.

Signed-off-by: Michael Boquard <michael@redpanda.com>

.github/workflows/scripts/jira_helper.py

@@ -197,8 +197,11 @@ def _create_issue(self):
         # GitHubs
         jira_issue_body = issue_body.replace("```", "{code}")
 
+        # When creating a bug, must use customfield_10083 as 'description' is not part of
+        # bug creation screen anymore
         fields = {
-            "description": f"{jira_issue_body}",
+            "description" if issue_type == 'Task' else "customfield_10083":
+            f"{jira_issue_body}",
             "summary": f"{issue_title}",
             "issuetype": {
                 "name": f"{issue_type}"