fix: improve markdown rendering when git provider is unavailable

Author: mrT23

pr_agent/algo/utils.py

@@ -229,6 +229,8 @@ def convert_to_markdown_v2(output_data: dict,
                             continue
                         relevant_file = issue.get('relevant_file', '').strip()
                         issue_header = issue.get('issue_header', '').strip()
+                        if issue_header.lower() == 'possible bug':
+                            issue_header = 'Possible Issue'  # Make the header less frightening
                         issue_content = issue.get('issue_content', '').strip()
                         start_line = int(str(issue.get('start_line', 0)).strip())
                         end_line = int(str(issue.get('end_line', 0)).strip())