refactor: remove unnecessary blank line in update_time_metrics function

Author: pimoussTO

src/wellcode_cli/github/github_metrics.py

@@ -411,7 +411,7 @@ def update_time_metrics(pr, commits, repo_metrics, org_metrics, start_date, end_
                 author_metrics.time_metrics.merge_distribution["after_hours"] += 1
                 repo_metrics.time_metrics.merge_distribution["after_hours"] += 1
                 org_metrics.time_metrics.merge_distribution["after_hours"] += 1
-                
+
             # Calculate deployment frequency with safety check
             if pr.base.ref == repo_metrics.default_branch:
                 one_day_seconds = 24 * 60 * 60