updates, back and front

backend/app/routes/projects.py

@@ -1,7 +1,7 @@
 from flask import Blueprint, jsonify, request
 from ..models import Project, Deliverable
 from ..extensions import db
-from datetime import date, datetime
+from datetime import date, datetime, timezone
 
 projects_bp = Blueprint('projects', __name__)
 
@@ -57,7 +57,7 @@ def update_project(id):
 @projects_bp.route('/projects/<int:id>/archive', methods=['PATCH'])
 def archive_project(id):
     project = Project.query.get_or_404(id)
-    project.archived_at = datetime.utcnow()
+    project.archived_at = datetime.now(timezone.utc)
     db.session.commit()
     return jsonify(project.to_dict())