Describe your use-case which is not covered by existing documentation.

Here is the beginning of the doc. I was confused because my job was created as Pipeline, and lacked the features shown in the doc screenshots and instructions.

Introduction

This plugin allows to perform a git push as a post build step via Git Plugin

In details, the plugin will pull then push (tags included) to the selected remote branch.
Getting started

• • • • • • • Add this in: The instructions below are based on a Jenkins job created as a Freestyle project.
              (if it is possible to do the same with other typesof job, add that in)

Open the Jenkins job configuration.

Reference any relevant documentation, other materials or issues/pull requests that can be used for inspiration.

No response

Jenkins and plugins versions report

Paste the output here

What Operating System are you using (both controller, and any agents involved in the problem)?

AWS Linux

Reproduction steps

Set up as instructed with the git username/password credentials

Expected Results

Git push

Actual Results

stderr: remote: Support for password authentication was removed on August 13, 2021.

Anything else?

No response