Update default image tag for meta migration (#21709)

Signed-off-by: NEdward Zeng <jie.zeng@zilliz.com>

deployments/migrate-meta/README.md

@@ -25,7 +25,7 @@ Milvus 2.2 has changed the meta structure for segment index. To upgrade a Milvus
 | `t`          | The target Milvus version.                                | `None`                           | True                    |
 | `r`          | The root path of Milvus meta.                             | `by-dev`                         | False                   |
 | `w`          | The new Milvus image tag.                                 | `milvusdb/milvus:v2.2.0`         | False                   |
-| `m`          | The meta migration image tag.                             | `milvusdb/meta-migration:v2.2.0` | False                   |
+| `m`          | The meta migration image tag.                             | `milvusdb/meta-migration:v2.2.0-bugfix-20220112` | False                   |
 | `o`          | The meta migration operation.                             | `migrate`                        | False                   |
 | `d`          | Whether to cleanup after migration is completed.          | `false`                          | False                   |
 | `c`          | The storage class for meta migration pvc.                 | `default storage class`          | False                   |

deployments/migrate-meta/migrate.sh

@@ -4,7 +4,7 @@ namespace="default"
 root_path="by-dev"
 operation="migrate"
 image_tag="milvusdb/milvus:v2.2.0"
-meta_migration_pod_tag="milvusdb/meta-migration:v2.2.0"
+meta_migration_pod_tag="milvusdb/meta-migration:v2.2.0-bugfix-20220112"
 remove_migrate_pod_after_migrate="false"
 storage_class=""
 external_etcd_svc=""