fix(audit): centraliser l'horloge UTC

app/models/team/team_member.py

@@ -1,8 +1,7 @@
 """Link between a player and a tryout-specific team."""
 
-from datetime import datetime
-
 from app.extensions import db
+from app.time_utils import utc_now_naive
 
 
 class TeamMember(db.Model):
@@ -13,6 +12,6 @@ class TeamMember(db.Model):
     team_id = db.Column(db.Integer, db.ForeignKey('teams.id'), nullable=False)
     player_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
     position = db.Column(db.String(50), nullable=True)
-    added_at = db.Column(db.DateTime, default=datetime.utcnow)
+    added_at = db.Column(db.DateTime, default=utc_now_naive)
 
     player = db.relationship('User', overlaps="player_ref,team_assignments")