feat(release): make release commit message configurable

mentioned in commit c416f1dc

mentioned in merge request Orange-OpenSource/lfn/ci_cd/chained-ci-py!133 (merged)

mentioned in merge request to-be-continuous/tools/gcp-auth-provider!33 (merged)

mentioned in merge request to-be-continuous/samples/python-serverless-on-aws!65 (merged)

mentioned in merge request to-be-continuous/samples/python-helmfile-on-kubernetes!13 (merged)

mentioned in merge request to-be-continuous/samples/python-on-kubernetes!28 (merged)

mentioned in merge request to-be-continuous/samples/python-on-azure!8 (closed)

mentioned in merge request to-be-continuous/samples/python-on-azure!13 (merged)