Merge branch 'docs-docker-list-items' into 'master'

Fix list spacing

See merge request gitlab-org/gitlab!43652

doc/ci/docker/using_docker_build.md

@@ -48,7 +48,6 @@ The simplest approach is to install GitLab Runner in `shell` execution mode.
 GitLab Runner then executes job scripts as the `gitlab-runner` user.
 
 1. Install [GitLab Runner](https://gitlab.com/gitlab-org/gitlab-runner/#installation).
-
 1. During GitLab Runner installation select `shell` as method of executing job scripts or use command:
 
    ```shell
@@ -158,7 +157,6 @@ Runner is installed using the [Helm chart](https://docs.gitlab.com/runner/instal
 See the [related issue](https://gitlab.com/gitlab-org/charts/gitlab-runner/-/issues/83) for details.
 
 1. Install [GitLab Runner](https://docs.gitlab.com/runner/install/).
-
 1. Register GitLab Runner from the command line to use `docker` and `privileged`
    mode:
 
@@ -318,7 +316,6 @@ are done to the services as well, making these incompatible.
 In order to do that, follow the steps:
 
 1. Install [GitLab Runner](https://docs.gitlab.com/runner/install/).
-
 1. Register GitLab Runner from the command line to use `docker` and share `/var/run/docker.sock`:
 
    ```shell

doc/ci/docker/using_docker_images.md

@@ -678,7 +678,6 @@ To add `DOCKER_AUTH_CONFIG` to a runner:
    - The double quotes included in the `DOCKER_AUTH_CONFIG`
      data must be escaped with backslashes. This prevents them from being
      interpreted as TOML.
-
    - The `environment` option is a list. Your runner may
      have existing entries and you should add this to the list, not replace
      it.
@@ -725,10 +724,8 @@ image which is private and requires you to log in into a private container regis
 To configure access for `aws_account_id.dkr.ecr.region.amazonaws.com`, follow these steps:
 
 1. Make sure `docker-credential-ecr-login` is available in GitLab Runner's `$PATH`.
-
 1. Have any of the following [AWS credentials setup](https://github.com/awslabs/amazon-ecr-credential-helper#aws-credentials).
    Make sure that GitLab Runner can access the credentials.
-
 1. Make GitLab Runner use it. There are two ways to accomplish this. Either:
 
    - Create a [variable](../variables/README.md#gitlab-cicd-environment-variables)