increase signature length to 128

Author: Hitenjain14

code/go/0chain.net/blobbercore/allocation/protocol.go

@@ -141,7 +141,7 @@ func FetchAllocationFromEventsDB(ctx context.Context, allocationID string, alloc
 		return a, nil
 	}
 
-	logging.Logger.Info("Saving the allocation to DB")
+	logging.Logger.Info("Saving the allocation to DB", zap.String("allocation_id", a.ID))
 
 	if !isExist {
 		err = Repo.Save(ctx, a)

goose/migrations/1730098482_session_key.sql

@@ -4,4 +4,8 @@ ALTER TABLE allocations ADD COLUMN owner_signing_public_key character varying(51
 
 ALTER TABLE reference_objects ADD COLUMN signature_version smallint;
 
+ALTER TABLE reference_objects ALTER COLUMN actual_file_hash_signature TYPE character varying(128);
+
+ALTER TABLE reference_objects ALTER COLUMN validation_root_signature TYPE character varying(128);
+
 -- +goose StatementEnd