Integrate gitlab-ci/changelog-generator and 1 more

Commit: seco-ne/yocto/infrastructure/gitlab-ci@3b5e9be0

CI: Pull new changelog_generator image, add token to the call.

BCS 746-000785

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@968886c0

Update README.md: Add description on the gitlab-ci CI and how to deploy

Source merge request: seco-ne/yocto/infrastructure/gitlab-ci!135 (merged)

By GitBot on 2022-05-06T11:11:17 (imported from GitLab)

mentioned in merge request seco-ne/yocto/infrastructure/gitlab-ci!135 (merged)

By GitBot on 2022-05-06T11:11:18 (imported from GitLab)