I am trying to push the force-app directory metadata into a scratch org,I am getting below error when I run `cci task run dx_push --extra -f`

    ci task run dx_push --extra -f  
    Error: no such option: --extra 
    Run this command for more information about debugging errors: cci error --help
Basically I am trying to force (overwrite) to push the source to a scratch org.

As per the [documentation][1] ,We can pass the extra arguments

**

    dx_push
    Description: Uses sfdx to push the force-app directory metadata into a scratch org
    Class: cumulusci.tasks.sfdx.SFDXOrgTask
    Command Syntax
    $ cci task run dx_push
    Options
    --command COMMAND
    Required
    The full command to run with the sfdx cli.
    Default: force:source:push
    --extra EXTRA
    Optional
    Append additional options to the command

**


  [1]: https://cumulusci.readthedocs.io/en/stable/tasks.html#dx-push