Add pre / post build script configuration

Merge pull request #136 from kieranajp/feature/pre-post-build-scripts

Add pre / post build script configuration

fix removing global options when need to re register runner

fix removing global options when need to re register runner

This adds the ability to specify the networking mode of the container

This adds the ability to specify the networking mode of the container. Intentionally kept the default in this role the same as the default in Gitlab/Docker.

Fix buster install

Fixing problems on debian buster described here:
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4092
https://docs.gitlab.com/runner/install/linux-repository.html#disable-skel

Fix win_lineinfile usage in non windows task

Fix win_lineinfile usage in non windows task

windows options and s3 optional

Add support for Windows user account when installing the service.
Make cache_s3_access_key optional

Windows updates

Fix wrong include for section-config-runner on Windows.
Fix missing [[runners]] section on Windows.

Fix 'path does not exist' error when using Windows + --check.

Merge pull request #123 from aerys/fix/windows-check-path-does-not-exist

Fix 'path does not exist' error when using Windows + --check.

Missed brackets fix

Missed brackets fix

use el7 version on el8

Since those packages work for that version and they are not there 'yet' use this instead.