chore: list the active unprefixed legacy promo codes

config/services.yaml

@@ -19,9 +19,12 @@ parameters:
     # Promo codes issued before the "R-" prefix was introduced, with the last day each is recognised
     # as a promo code (VoucherCodeClassifier). Remove this parameter and the classifier branch
     # reading it once the last date has passed.
-    # TODO: replace the placeholder with the codes still active in BusPro (GutscheinAktion).
     legacy_promo_voucher_codes:
-        PLACEHOLDER: '2027-04-30'
+        BEWERTUNG25: '2026-10-31'
+        ANNA50: '2026-12-20'
+        SIDNEY50: '2026-12-20'
+        LENA20: '2027-03-04'
+        BOTSCHAFTER2627: '2027-04-30'
 
     # MailJet list ids and their labels
     mailjet_lists: