Update track-repository docs with new replicate-repository flag

doc/administration/gitaly/recovery.md

@@ -371,12 +371,13 @@ sudo /opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.t
 
 ### Manually track repositories
 
-> [Introduced](https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/5658) in GitLab 14.4.
+> - [Introduced](https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/5658) in GitLab 14.4.
+> - [Introduced](https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/5789) in GitLab 14.6, support for immediate replication.
 
 The `track-repository` Praefect sub-command adds repositories on disk to the Praefect database to be tracked.
 
 ```shell
-sudo /opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.toml track-repository -virtual-storage <virtual-storage> -repository <repository>
+sudo /opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.toml track-repository -virtual-storage <virtual-storage> -repository <repository> -replicate-immediately
 ```
 
 - `-virtual-storage` is the virtual storage the repository is located in. Virtual storages are configured in `/etc/gitlab/gitlab.rb` under `praefect['virtual_storages]` and looks like the following:
@@ -403,6 +404,8 @@ sudo /opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.t
 
 - `-authoritative-storage` is the storage we want Praefect to treat as the primary. Required if
   [per-repository replication](praefect.md#configure-replication-factor) is set as the replication strategy.
+- `-replicate-immediately`, available in GitLab 14.6 and later, causes the command to replicate the repository to its secondaries immediately.
+   Otherwise, replication jobs are scheduled for execution in the database and are picked up by a Praefect background process.
 
 The command outputs: