chore: update chart changelog

Signed-off-by: Guilhem Barthés <[email protected]>

charts/substra-backend/README.md

@@ -255,7 +255,7 @@ See [UPGRADE.md](https://github.com/Substra/substra-backend/blob/main/charts/sub
 | `builder.nodeSelector`                  | Node labels for pod assignment                                                                                                                     | `{}`                      |
 | `builder.tolerations`                   | Toleration labels for pod assignment                                                                                                               | `[]`                      |
 | `builder.affinity`                      | Affinity settings for pod assignment, ignored if `DataSampleStorageInServerMedia` is `true`                                                        | `{}`                      |
-| `builder.saveImageTimeoutSeconds`       | Amount of seconds before restarting the image save as a blob                                                                                       | `60`                      |
+| `builder.saveImageTimeoutSeconds`       | Amount of seconds before restarting the image save as a blob                                                                                       | `180`                     |
 | `builder.persistence.storageClass`      | Specify the _StorageClass_ used to provision the volume. Or the default _StorageClass_ will be used. Set it to `-` to disable dynamic provisioning | `""`                      |
 | `builder.persistence.size`              | The size of the volume.                                                                                                                            | `10Gi`                    |
 | `builder.rbac.create`                   | Create a role and service account for the builder                                                                                                  | `true`                    |