style: инициализировать слайсы через make

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

cmd/synapse-backupper/restore.go

@@ -94,9 +94,11 @@ var restoreCmd = &cobra.Command{
 		}
 
 		decryptor := newRestoreDecryptor(registry)
+		privateKeys := make([]crypto.RecipientPriv, 0, 2)
+		privateKeys = append(privateKeys, pqPriv, classicalPriv)
 		if err := decryptor.Decrypt(
 			inFile,
-			[]crypto.RecipientPriv{pqPriv, classicalPriv},
+			privateKeys,
 			out,
 		); err != nil {
 			return err